Misc cleanup.
* kern/command.c (grub_register_command_prio): Use
grub_zalloc() instead of explicitly zeroing data.
* kern/list.c: Include `<grub/mm.h>'.
(grub_named_list_find): Replace `0' with `NULL'.
* normal/autofs.c (struct grub_fs_module_list): Remove ad-hoc type.
(fs_module_list): Change type to `grub_named_list_t'. Update all
users.
* normal/dyncmd.c (read_command_list): Add space between function
call and parenthesis.
* normal/handler.c (read_handler_list): Likewise.
Fix memory corruption issue (spotted by Colin Watson).
* kern/i386/pc/startup.S (grub_vbe_bios_getset_dac_palette): Fix bug
causing returned size to be stored in an incorrect memory location.
Fix use of uninitialized value when storing the returned size.
Save space by inlining misc.c functions.
* kern/misc.c (grub_iswordseparator): Made static.
* kern/misc.c (grub_strcat): Moved from here ...
* include/grub/misc.h (grub_strcat): ... here. Inlined.
* kern/misc.c (grub_strncat): Moved from here ...
* include/grub/misc.h (grub_strncat): ... here. Inlined.
* kern/misc.c (grub_strcasecmp): Moved from here ...
* include/grub/misc.h (grub_strcasecmp): ... here. Inlined.
* kern/misc.c (grub_strncasecmp): Moved from here ...
* include/grub/misc.h (grub_strncasecmp): ... here. Inlined.
* kern/misc.c (grub_isalpha): Moved from here ...
* include/grub/misc.h (grub_isalpha): ... here. Inlined.
* kern/misc.c (grub_isdigit): Moved from here ...
* include/grub/misc.h (grub_isdigit): ... here. Inlined.
* kern/misc.c (grub_isgraph): Moved from here ...
* include/grub/misc.h (grub_isgraph): ... here. Inlined.
* kern/misc.c (grub_tolower): Moved from here ...
* include/grub/misc.h (grub_tolower): ... here. Inlined.
Fix a bug resulting in black screen when loading Linux using a
packed video mode.
* kern/i386/pc/startup.S (grub_vbe_bios_getset_dac_palette_width): New
function.
* include/grub/i386/pc/vbe.h (GRUB_VBE_CAPABILITY_DACWIDTH): New macro.
(grub_vbe_bios_getset_dac_palette_width): New function.
(grub_vbe_bios_get_dac_palette_width)
(grub_vbe_bios_set_dac_palette_width): New macros (act as wrappers for
grub_vbe_bios_getset_dac_palette_width()).
* video/i386/pc/vbe.c (grub_vbe_probe): Use `GRUB_VBE_STATUS_OK' to
check for return status.
(grub_vbe_get_video_mode_info): When getting information for a packed
mode (<= 8 bpp), obtain DAC palette width using
grub_vbe_bios_getset_dac_palette_width(), and use that for initializing
{red,green,blue}_mark_size.
