[LyX/2.1.x] Small fix to po update script.

[Richard Heck]

commit 5ed6cd417a3423e764b1fd8bd63e739961340dcd
Author: Richard Heck <rgh...@lyx.org>
Date:   Sun Jan 4 12:47:16 2015 -0500

    Small fix to po update script.

diff --git a/development/tools/update-po.sh b/development/tools/update-po.sh
index a024dea..dc4abb1 100644
--- a/development/tools/update-po.sh
+++ b/development/tools/update-po.sh
@@ -98,7 +98,7 @@ fi
 if [ -z "$COMMIT" ]; then
   echo "Differences found!";
   diff -wu $FARM/$I18NFILE $I18NFILE | less;
-  git checkout *.po;
+  git checkout *.po *.gmo;
   exit 0;
 fi