* lib/*, m4/*: Updated gnulib.
* lib/getpagesize.c, lib/memchr.c, lib/memchr.valgrind,
lib/stddef.in.h, lib/str-two-way.h, lib/strcasecmp.c,
* lib/*, m4/*: Updated gnulib.
* lib/getpagesize.c, lib/memchr.c, lib/memchr.valgrind,
lib/stddef.in.h, lib/str-two-way.h, lib/strcasecmp.c,