update included libintl to gettext-0.21.1

MANIFEST

@@ -251,47 +251,78 @@ lib/glob/collsyms.h	f
 lib/glob/doc/Makefile	f
 lib/glob/doc/glob.texi	f
 lib/glob/ndir.h		f
-lib/intl/ChangeLog	f
 lib/intl/Makefile.in	f
 lib/intl/VERSION	f
+lib/intl/ref-add.sin	f
+lib/intl/ref-del.sin	f
 lib/intl/bindtextdom.c	f
-lib/intl/config.charset	f
 lib/intl/dcgettext.c	f
 lib/intl/dcigettext.c	f
 lib/intl/dcngettext.c	f
 lib/intl/dgettext.c	f
 lib/intl/dngettext.c	f
-lib/intl/eval-plural.h	f
 lib/intl/explodename.c	f
 lib/intl/finddomain.c	f
 lib/intl/gettext.c	f
-lib/intl/gettextP.h	f
-lib/intl/gmo.h		f
-lib/intl/hash-string.h	f
+lib/intl/hash-string.c	f
 lib/intl/intl-compat.c	f
+lib/intl/intl-exports.c	f
 lib/intl/l10nflist.c	f
-lib/intl/libgnuintl.h.in	f
-lib/intl/loadinfo.h	f
+lib/intl/langprefs.c	f
 lib/intl/loadmsgcat.c	f
 lib/intl/localcharset.c	f
-lib/intl/localcharset.h	f
-lib/intl/locale.alias	f
 lib/intl/localealias.c	f
+lib/intl/localename-table.c	f
 lib/intl/localename.c	f
+lib/intl/lock.c		f
 lib/intl/log.c		f
 lib/intl/ngettext.c	f
 lib/intl/os2compat.c	f
-lib/intl/os2compat.h	f
 lib/intl/osdep.c	f
 lib/intl/plural-exp.c	f
-lib/intl/plural-exp.h	f
 lib/intl/plural.c	f
 lib/intl/plural.y	f
-lib/intl/ref-add.sin	f
-lib/intl/ref-del.sin	f
+lib/intl/printf-args.c	f
+lib/intl/printf-parse.c	f
+lib/intl/printf.c	f
 lib/intl/relocatable.c	f
-lib/intl/relocatable.h	f
+lib/intl/setlocale-lock.c	f
+lib/intl/setlocale.c	f
+lib/intl/setlocale_null.c	f
 lib/intl/textdomain.c	f
+lib/intl/threadlib.c	f
+lib/intl/tsearch.c	f
+lib/intl/vasnprintf.c	f
+lib/intl/version.c	f
+lib/intl/xsize.c	f
+lib/intl/arg-nonnull.h	f
+lib/intl/attribute.h	f
+lib/intl/eval-plural.h	f
+lib/intl/export.h	f
+lib/intl/filename.h	f
+lib/intl/flexmember.h	f
+lib/intl/gettextP.h	f
+lib/intl/gmo.h	f
+lib/intl/hash-string.h	f
+lib/intl/libgnuintl.in.h	f
+lib/intl/loadinfo.h	f
+lib/intl/localcharset.h	f
+lib/intl/localename-table.in.h	f
+lib/intl/lock.h	f
+lib/intl/os2compat.h	f
+lib/intl/plural-exp.h	f
+lib/intl/plural.h	f
+lib/intl/printf-args.h	f
+lib/intl/printf-parse.h	f
+lib/intl/relocatable.h	f
+lib/intl/setlocale_null.h	f
+lib/intl/thread-optim.h	f
+lib/intl/tsearch.h	f
+lib/intl/vasnprintf.h	f
+lib/intl/vasnwprintf.h	f
+lib/intl/verify.h	f
+lib/intl/wprintf-parse.h	f
+lib/intl/xsize.h	f
 lib/malloc/Makefile.in	f
 lib/malloc/getpagesize.h	f
 lib/malloc/imalloc.h	f
@@ -491,9 +522,11 @@ lib/tilde/shell.c	f
 m4/strtoimax.m4		f
 m4/stat-time.m4		f
 m4/timespec.m4		f
+m4/bison.m4		f
 m4/codeset.m4		f
 m4/extern-inline.m4	f
 m4/fcntl-o.m4		f
+m4/flexmember.m4	f
 m4/gettext.m4		f
 m4/glibc2.m4		f
 m4/glibc21.m4		f
@@ -511,6 +544,7 @@ m4/lcmessage.m4		f
 m4/lib-ld.m4		f
 m4/lib-link.m4		f
 m4/lib-prefix.m4	f
+m4/locale_h.m4		f
 m4/lock.m4		f
 m4/nls.m4		f
 m4/po.m4		f