(EXTRA_DIST): Add check-decl.m4, mbrtowc.m4.

Remove inttypes_h.m4, largefile.m4, mktime.m4.

m4/Makefile.am

@@ -3,20 +3,19 @@
 EXTRA_DIST = \
 c-bs-a.m4 \
 ccstdc.m4 \
+check-decl.m4 \
 d-ino.m4 \
 decl.m4 \
 error.m4 \
 fnmatch.m4 \
 getline.m4 \
 gettext.m4 \
-inttypes_h.m4 \
 isc-posix.m4 \
 jm-mktime.m4 \
-largefile.m4 \
 lcmessage.m4 \
 malloc.m4 \
+mbrtowc.m4 \
 mbstate_t.m4 \
-mktime.m4 \
 prereq.m4 \
 progtest.m4 \
 realloc.m4 \