Import from Gnulib. * gnulib/fnmatch.c: New file. * gnulib/fnmatch.h: Likewise. * gnulib/fnmatch_loop.c: Likewise. * gnulib/getopt.c: Likewise. * gnulib/getopt.h: Likewise. * gnulib/getopt1.c: Likewise. * gnulib/getopt_int.h: Likewise. * gnulib/gettext.h: Likewise.