Merge pull request #356 from Tetha/master

Fixed an exception when adding a graphite function.

src/app/controllers/graphiteTarget.js

@@ -234,7 +234,7 @@ function (angular, _, config, gfunc, Parser) {
       $scope.moveAliasFuncLast();
       $scope.moveAliasFuncLast();
       $scope.smartlyHandleNewAliasByNode(newFunc);
       $scope.smartlyHandleNewAliasByNode(newFunc);
 
 
-      if (!funcDef.params.length && newFunc.added) {
+      if (!newFunc.params.length && newFunc.added) {
         $scope.targetChanged();
         $scope.targetChanged();
       }
       }
     };
     };