Fix macosx gettext

Default to no backup when updating po files

extras/contrib/src/Makefile

@@ -366,6 +366,9 @@ gettext: gettext-$(GETTEXT_VERSION).tar.gz
 ifdef HAVE_WIN32
 	patch -p0 < Patches/gettext-win32.patch
 endif
+ifdef HAVE_DARWIN_OS
+	patch -p0 < Patches/gettext-macosx.patch
+endif
 
 .intl: gettext .iconv
 ifdef HAVE_WIN32

extras/contrib/src/Patches/gettext-macosx.patch

@@ -0,0 +1,11 @@
+--- gettext/gettext-tools/src/msgmerge.c.orig	2007-10-21 03:25:52.000000000 +0200
++++ gettext/gettext-tools/src/msgmerge.c	2008-03-23 19:54:36.000000000 +0100
+@@ -96,7 +96,7 @@
+ 
+ /* Update mode.  */
+ static bool update_mode = false;
+-static const char *version_control_string;
++static const char *version_control_string = "none";
+ static const char *backup_suffix_string;
+ 
+ /* Long options.  */