run_xgettext: check for dir before run xgettext

util/run_xgettext.sh

@@ -45,7 +45,13 @@ OPTS=
 KEYWORDS="-k -kt -ktt:1,2"
 
 echo "extract strings to $OUTFILE.."
-find "$FINDSTARTDIR" $FINDOPTS -name "*.php" -type f | xargs  xgettext $KEYWORDS $OPTS -o "$OUTFILE" --from-code=UTF-8
+for f in $(find "$FINDSTARTDIR" $FINDOPTS -name "*.php" -type f)
+do
+	if [ ! -d "$f" ]
+	then
+		xgettext $KEYWORDS $OPTS -o "$OUTFILE" --from-code=UTF-8 "$f"
+	fi
+done
 
 echo "setup base info.."
 if [ $ADDONMODE ]