* gnulib/progname.h: Likewise.
* conf/i386-pc.rmk (grub_mkimage_SOURCES): Add `gnulib/progname.c'.
* util/i386/pc/grub-mkimage.c: Include `"progname.h"'.
(usage): Replace `progname' with `program_name'.
(main): Use set_program_name() for program name initialization.
* aclocal.m4: Move from here ...
* acinclude.m4: ... to here.
* autogen.sh: Add call to `aclocal'.
* configure.ac: Add AM_INIT_AUTOMAKE() after AC_INIT() call.