Add missing const qualifiers.

* grub-core/commands/i386/pc/sendkey.c (keysym): Add missing const.
	* grub-core/commands/lspci.c (grub_pci_classname): Likewise.
	* grub-core/commands/menuentry.c (hotkey_aliases): Likewise.
	* grub-core/disk/lvm.c (grub_lvm_getvalue): Likewise.
	(grub_lvm_check_flag): Likewise.
	* grub-core/efiemu/i386/coredetect.c
	(grub_efiemu_get_default_core_name): Likewise
	* grub-core/efiemu/main.c (grub_efiemu_autocore): Likewise.
	* grub-core/fs/hfsplus.c (grub_hfsplus_catkey_internal): Likewise.
	* grub-core/fs/ntfs.c (fixup): Likewise.
	* grub-core/fs/xfs.c (grub_xfs_iterate_dir): Likewise.
	* grub-core/fs/zfs/zfs.c (decomp_entry): Likewise.
	(fzap_lookup): Likewise.
	(zap_lookup): Likewise.
	* grub-core/gnulib/regcomp.c (init_dfa): Likewise.
	* grub-core/lib/legacy_parse.c (check_option): Likewise.
	* grub-core/lib/posix_wrap/langinfo.h (nl_langinfo): Likewise.
	* grub-core/loader/i386/bsd.c (grub_bsd_add_meta): Likewise.
	(grub_freebsd_add_meta_module): Likewise.
	(grub_cmd_freebsd_module): Likewise.
	* grub-core/loader/i386/xnu.c (tbl_alias): Likewise.
	* grub-core/loader/xnu.c (grub_xnu_register_memory): Likewise.
	(grub_xnu_writetree_get_size): Likewise.
	(grub_xnu_writetree_toheap_real): Likewise.
	(grub_xnu_find_key): Likewise.
	(grub_xnu_create_key): Likewise.
	(grub_xnu_create_value): Likewise.
	(grub_xnu_register_memory): Likewise.
	(grub_xnu_check_os_bundle_required): Likewise.
	(grub_xnu_scan_dir_for_kexts): Likewise.
	(grub_xnu_load_kext_from_dir): Likewise.
	* grub-core/normal/color.c (color_list): Likewise.
	* grub-core/normal/completion.c (current_word): Likewise.
	* grub-core/normal/menu_entry.c (insert_string): Likewise.
	* grub-core/term/serial.c (grub_serial_find): Likewise.
	* grub-core/term/tparm.c (grub_terminfo_tparm): Likewise.
	* include/grub/efiemu/efiemu.h (grub_efiemu_get_default_core_name):
	Likewise.
	* include/grub/i386/bsd.h (grub_bsd_add_meta): Likewise.
	(grub_freebsd_add_meta_module): Likewise.
	* include/grub/lib/arg.h (grub_arg_option): Likewise.
	* include/grub/net.h (grub_net_card_driver): Likewise.
	(grub_net_card): Likewise.
	(grub_net_app_protocol): Likewise.
	* include/grub/parttool.h (grub_parttool_argdesc): Likewise.
	* include/grub/serial.h (grub_serial_find): Likewise.
	* include/grub/tparm.h (grub_terminfo_tparm): Likewise.
	* include/grub/xnu.h (grub_xnu_create_key): Likewise.
	(grub_xnu_create_value): Likewise.
	(grub_xnu_find_key): Likewise.
	(grub_xnu_scan_dir_for_kexts): Likewise.
	(grub_xnu_load_kext_from_dir): Likewise.

	* include/grub/zfs/zio_checksum.h (zio_checksum_t): Moved from here ...
	* grub-core/fs/zfs/zfs.c (zio_checksum_t): ...here.
	* include/grub/zfs/zio_checksum.h (zio_checksum_info):
	Moved from here ...
	* grub-core/fs/zfs/zfs.c (zio_checksum_info): ... here. Added missing const.

include/grub/efiemu/efiemu.h

@@ -272,7 +272,7 @@ grub_err_t grub_efiemu_write_value (void * addr, grub_uint32_t value,
 grub_err_t grub_efiemu_write_sym_markers (void);
 grub_err_t grub_efiemu_pnvram (void);
 grub_err_t grub_efiemu_prepare (void);
-char *grub_efiemu_get_default_core_name (void);
+const char *grub_efiemu_get_default_core_name (void);
 void grub_efiemu_pnvram_cmd_unregister (void);
 grub_err_t grub_efiemu_autocore (void);
 grub_err_t grub_efiemu_crc32 (void);

include/grub/i386/bsd.h

@@ -94,8 +94,8 @@ grub_err_t grub_netbsd_load_elf_meta64 (struct grub_relocator *relocator,
 					grub_addr_t *kern_end);
 
 grub_err_t grub_bsd_add_meta (grub_uint32_t type, 
-			      void *data, grub_uint32_t len);
-grub_err_t grub_freebsd_add_meta_module (char *filename, char *type,
+			      const void *data, grub_uint32_t len);
+grub_err_t grub_freebsd_add_meta_module (const char *filename, const char *type,
 					 int argc, char **argv,
 					 grub_addr_t addr, grub_uint32_t size);
 

include/grub/lib/arg.h

@@ -53,8 +53,8 @@ struct grub_arg_option
   const char *longarg;
   int shortarg;
   int flags;
-  char *doc;
-  char *arg;
+  const char *doc;
+  const char *arg;
   grub_arg_type_t type;
 };
 

include/grub/net.h

@@ -59,7 +59,7 @@ struct grub_net_card;
 struct grub_net_card_driver
 {
   struct grub_net_card_driver *next;
-  char *name;
+  const char *name;
   grub_err_t (*open) (const struct grub_net_card *dev);
   void (*close) (const struct grub_net_card *dev);
   grub_err_t (*send) (const struct grub_net_card *dev,
@@ -89,7 +89,7 @@ typedef struct grub_net_packets
 struct grub_net_card
 {
   struct grub_net_card *next;
-  char *name;
+  const char *name;
   struct grub_net_card_driver *driver;
   grub_net_link_level_address_t default_address;
   grub_net_card_flags_t flags;
@@ -188,7 +188,7 @@ typedef struct grub_net_socket *grub_net_socket_t;
 struct grub_net_app_protocol 
 {
   struct grub_net_app_protocol *next;
-  char *name;
+  const char *name;
   grub_err_t (*dir) (grub_device_t device, const char *path,
 		     int (*hook) (const char *filename,
 				  const struct grub_dirhook_info *info));

include/grub/parttool.h

@@ -21,8 +21,8 @@
 
 struct grub_parttool_argdesc
 {
-  char *name;
-  char *desc;
+  const char *name;
+  const char *desc;
   enum {GRUB_PARTTOOL_ARG_END, GRUB_PARTTOOL_ARG_BOOL, GRUB_PARTTOOL_ARG_VAL}
     type;
 };

include/grub/serial.h

@@ -143,7 +143,7 @@ grub_serial_config_defaults (struct grub_serial_port *port)
 
 void grub_ns8250_init (void);
 char *grub_serial_ns8250_add_port (grub_port_t port);
-struct grub_serial_port *grub_serial_find (char *name);
+struct grub_serial_port *grub_serial_find (const char *name);
 extern struct grub_serial_driver grub_ns8250_driver;
 void EXPORT_FUNC(grub_serial_unregister_driver) (struct grub_serial_driver *driver);
 

include/grub/tparm.h

@@ -21,6 +21,6 @@
 #define GRUB_TPARM_HEADER	1
 
 /* Function prototypes.  */
-char *grub_terminfo_tparm (const char *string, ...);
+const char *grub_terminfo_tparm (const char *string, ...);
 
 #endif /* ! GRUB_TPARM_HEADER */

include/grub/xnu.h

@@ -81,7 +81,7 @@ struct grub_xnu_extheader
 } __attribute__ ((packed));
 
 struct grub_xnu_devtree_key *grub_xnu_create_key (struct grub_xnu_devtree_key **parent,
-						  char *name);
+						  const char *name);
 
 extern struct grub_xnu_devtree_key *grub_xnu_devtree_root;
 
@@ -89,18 +89,20 @@ void grub_xnu_free_devtree (struct grub_xnu_devtree_key *cur);
 
 grub_err_t grub_xnu_writetree_toheap (grub_addr_t *target, grub_size_t *size);
 struct grub_xnu_devtree_key *grub_xnu_create_value (struct grub_xnu_devtree_key **parent,
-						    char *name);
+						    const char *name);
 
 void grub_xnu_lock (void);
 void grub_xnu_unlock (void);
 grub_err_t grub_xnu_resume (char *imagename);
 grub_err_t grub_xnu_boot_resume (void);
 struct grub_xnu_devtree_key *grub_xnu_find_key (struct grub_xnu_devtree_key *parent,
-						char *name);
+						const char *name);
 grub_err_t grub_xnu_align_heap (int align);
-grub_err_t grub_xnu_scan_dir_for_kexts (char *dirname, char *osbundlerequired,
+grub_err_t grub_xnu_scan_dir_for_kexts (char *dirname,
+					const char *osbundlerequired,
 					int maxrecursion);
-grub_err_t grub_xnu_load_kext_from_dir (char *dirname, char *osbundlerequired,
+grub_err_t grub_xnu_load_kext_from_dir (char *dirname,
+					const char *osbundlerequired,
 					int maxrecursion);
 grub_err_t grub_xnu_heap_malloc (int size, void **src, grub_addr_t *target);
 grub_err_t grub_xnu_fill_devicetree (void);

include/grub/zfs/zio_checksum.h

@@ -23,22 +23,6 @@
 #ifndef _SYS_ZIO_CHECKSUM_H
 #define	_SYS_ZIO_CHECKSUM_H
 
-/*
- * Signature for checksum functions.
- */
-typedef void zio_checksum_t(const void *data, grub_uint64_t size, 
-			    grub_zfs_endian_t endian, zio_cksum_t *zcp);
-
-/*
- * Information about each checksum function.
- */
-typedef struct zio_checksum_info {
-	zio_checksum_t	*ci_func; /* checksum function for each byteorder */
-	int		ci_correctable;	/* number of correctable bits	*/
-	int		ci_eck;		/* uses zio embedded checksum? */
-	char		*ci_name;	/* descriptive name */
-} zio_checksum_info_t;
-
 extern void zio_checksum_SHA256 (const void *, grub_uint64_t,
 				 grub_zfs_endian_t endian, zio_cksum_t *);
 extern void fletcher_2 (const void *, grub_uint64_t, grub_zfs_endian_t endian,