upgrade gettext

diff --git a/configure.ac b/configure.ac
index 579a5dd..65304f5 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -57,7 +57,7 @@ LIBTOOL="$LIBTOOL --silent"
 
 AC_PROG_INSTALL
 
-AM_GNU_GETTEXT_VERSION(0.12.1)
+AM_GNU_GETTEXT_VERSION(0.16.1)
 AM_GNU_GETTEXT([external])
 
 AC_CHECK_HEADERS(ctype.h fcntl.h locale.h signal.h string.h stdio.h stdlib.h)