[gnome-shell] messageTray: Fix warning when opening the tray

[Jasper St. Pierre <jstpierre src gnome org>]

commit 9525216d78a4c4b7d22160e513ef67fd4da8b3f2
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Wed Feb 20 23:37:54 2013 -0500

    messageTray: Fix warning when opening the tray
    
    As the tray hover handler will call _cancelTrayDwell, we need to
    ensure this variable is initialized even if tray dwelling isn't.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=694336

 js/ui/messageTray.js |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/js/ui/messageTray.js b/js/ui/messageTray.js
index 308b223..3699ec2 100644
--- a/js/ui/messageTray.js
+++ b/js/ui/messageTray.js
@@ -1695,6 +1695,7 @@ const MessageTray = new Lang.Class({
         this._sources = new Hash.Map();
         this._chatSummaryItemsCount = 0;
 
+        this._trayDwellTimeoutId = 0;
         this._setupTrayDwellIfNeeded();
         this._sessionUpdated();
 
@@ -1759,7 +1760,6 @@ const MessageTray = new Lang.Class({
         if (!global.display.supports_extended_barriers()) {
             let pointerWatcher = PointerWatcher.getPointerWatcher();
             pointerWatcher.addWatch(TRAY_DWELL_CHECK_INTERVAL, Lang.bind(this, this._checkTrayDwell));
-            this._trayDwellTimeoutId = 0;
             this._trayDwelling = false;
             this._trayDwellUserTime = 0;
         }