Ignore generated files

m4/.gitignore

@@ -1,5 +1,36 @@
+codeset.m4
+fcntl-o.m4
+gettext.m4
+glibc*.m4
+iconv.m4
+intdiv0.m4
+intl.m4
+intldir.m4
+intlmacosx.m4
+intltool.m4
+intmax.m4
+inttypes-pri.m4
+inttypes_h.m4
+lcmessage.m4
+lib-ld.m4
+lib-link.m4
+lib-prefix.m4
 libtool.m4
+lock.m4
+longlong.m4
 ltoptions.m4
 ltsugar.m4
 ltversion.m4
 lt~obsolete.m4
+nls.m4
+po.m4
+printf-posix.m4
+progtest.m4
+size_max.m4
+stdint_h.m4
+threadlib.m4
+uintmax_t.m4
+visibility.m4
+wchar_t.m4
+wint_t.m4
+xsize.m4