appDisplay: Don't call a non-existent onComplete

Follow up to commit 6bb905895c932db51ff0314fecec765f2f703f31 .

https://bugzilla.gnome.org/show_bug.cgi?id=745627

diff --git a/js/ui/appDisplay.js b/js/ui/appDisplay.js
index e1ff13a17daed6562640b5c1869c4b42e653075b..f835946938b6502d4793dde3cabc79c561119c82 100644 (file)
--- a/js/ui/appDisplay.js
+++ b/js/ui/appDisplay.js
@@ -544,7 +544,8 @@ const AllView = new Lang.Class({
         this._scrollView.reactive = false;
         let completionFunc = Lang.bind(this, function() {
             this._scrollView.reactive = true;
-            onComplete();
+            if (onComplete)
+                onComplete();
         });
 
         if (animationDirection == IconGrid.AnimationDirection.OUT &&