Regenerate autotools stuff, grumble.

aclocal.m4

@@ -13,8 +13,8 @@
 
 m4_ifndef([AC_AUTOCONF_VERSION],
   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
-m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.68],,
-[m4_warning([this file was generated for autoconf 2.68.
+m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.67],,
+[m4_warning([this file was generated for autoconf 2.67.
 You have another version of autoconf.  It may work, but is not guaranteed to.
 If you have problems, you may need to regenerate the build system entirely.
 To do so, use the procedure documented by the package, typically `autoreconf'.])])

src/config.in

@@ -1203,9 +1203,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 # define __restrict__
 #endif
 
-/* Define to `unsigned int' if <sys/types.h> does not define. */
-#undef size_t
-
 /* Define to any substitute for sys_siglist. */
 #undef sys_siglist