[gnome-shell] [appIcon] Fix reference error when favoriting an app

[Colin Walters <walters src gnome org>]

commit bda7d3994bbd17051ad199dcbb8c0f868b8deb56
Author: Colin Walters <walters verbum org>
Date:   Tue Oct 20 18:49:15 2009 -0400

    [appIcon] Fix reference error when favoriting an app

 js/ui/appIcon.js |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/js/ui/appIcon.js b/js/ui/appIcon.js
index ab8ede1..b0a37b6 100644
--- a/js/ui/appIcon.js
+++ b/js/ui/appIcon.js
@@ -557,7 +557,8 @@ AppIconMenu.prototype = {
             this._source.app.launch();
             this.emit('activate-window', null);
         } else if (child == this._toggleFavoriteMenuItem) {
-            let isFavorite = AppFavorites.getAppFavorites().isFavorite(this._source.app.get_id());
+            let favs = AppFavorites.getAppFavorites();
+            let isFavorite = favs.isFavorite(this._source.app.get_id());
             if (isFavorite)
                 favs.removeFavorite(this._source.app.get_id());
             else