* kern/rescue.c (grub_rescue_cmd_rmmod): If the reference count is
negative, unload the module.
* util/i386/pc/grub-setup.c (setup): The name of the PC partition
map is "pc_partition_map" but not "pc".
(usage): Fix the description. The options are --boot-image and
--core-image but not --boot-file or --core-file.
(main): If not specified explicitly, make BOOT_FILE and CORE_FILE
based on DEFAULT_BOOT_FILE and DEFAULT_CORE_FILE with DIR or
DEFAULT_DIRECTORY.
* util/i386/pc/grub-install.in: Do not specify --boot-file or
--core-file. Specify INSTALL_DEVICE as an argument.
* util/console.c: Include config.h.
[HAVE_NCURSeS_CURSES_H]: Include ncurses/curses.h.
[HAVE_NCURSES_H]: Include ncurses.h.
[HAVE_CURSES_H]: Include curses.h.
[!A_NORMAL] (A_NORMAL): Defined as zero.
[!A_STANDOUT] (A_STANDOUT): Likewise.
* conf/i386-pc.rmk (grub_emu_LDFLAGS): Use $(LIBCURSES) instead of
-lncurses.
* conf/powerpc-ieee1275.rmk (grub_emu_LDFLAGS): Likewise.
* configure.ac: Check for curses libraries and headers.
* Makefile.in (LIBCURSES): New variable.
* genmk.rb (Script::rule): Set the executable bits.
* util/i386/pc/biosdisk.c (grub_util_biosdisk_get_grub_dev): The
name of the PC partition map is "pc_partition_map" but not "pc".