* commands/crc.c: New file.

	* lib/crc.c: Likewise.

	* include/grub/lib/crc.h: Likewise.

	* util/grub-fstest.c: grub/hexdump.h => grub/lib/hexdump.h.

	* commands/hexdump.c: grub/hexdump.h => grub/lib/hexdump.h.
	(hexdump): Move this function to ...

	* lib/hexdump.c: ... here.

	* include/grub/hexdump.h: Renamed to ...

	* include/grub/lib/hexdump.h: ... this.

	* commands/loadenv.c: grub/envblk.h => grub/lib/envblk.h

	* util/grub-editenv.c: Likewise.

	* include/envblk.h: Renamed to ...

	* include/lib/envblk.h: ... this.

	* util/envblk.c: Renamed to ...

	* lib/envblk.c: ... this.

	* conf/common.rmk (grub_fstest_SOURCES): commands/hexdump.c =>
	lib/hexdump.c.
	(grub_editenv_SOURCES): util/envblk.c => lib/envblk.c
	(pkglib_MODULES): Add crc.mod.
	(hexdump_mod_SOURCES): Add lib/hexdump.c.
	(loadenv_mod_SOURCES): util/envblk.c => lib/envblk.c.
	(crc_mod_SOURCES): New macro.
	(crc_mod_CFLAGS): Likewise.
	(crc_mod_LDFLAGS): Likewise.

	* conf/i386-coreboot.rmk (grub_emu_SOURCES): Add lib/hexdump.c.

	* conf/i386-efi.rmk (grub_emu_SOURCES): Likewise.

	* conf/i386-pc.rmk (grub_emu_SOURCES): Likewise.

	* conf/powerpc-ieee1275.rmk (grub_emu_SOURCES): Likewise.

	* conf/x86_64-efi.rmk (grub_emu_SOURCES): Likewise.