[gnome-shell] screen-shield: disconnect from title-changed on destroy

[Cosimo Cecchi <cosimoc src gnome org>]

commit 4df1222ce7cb5114a14c84999c4401ed7448507e
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Thu Dec 6 18:24:54 2012 -0500

    screen-shield: disconnect from title-changed on destroy
    
    https://bugzilla.gnome.org/show_bug.cgi?id=689820

 js/ui/screenShield.js |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/js/ui/screenShield.js b/js/ui/screenShield.js
index c016d83..917be7c 100644
--- a/js/ui/screenShield.js
+++ b/js/ui/screenShield.js
@@ -308,6 +308,7 @@ const NotificationsBox = new Lang.Class({
         obj.item.disconnect(obj.contentUpdatedId);
         obj.source.disconnect(obj.sourceDestroyId);
         obj.source.disconnect(obj.sourceCountChangedId);
+        obj.source.disconnect(obj.sourceTitleChangedId);
     },
 });