[gnome-shell] Fix missing semicolon in source title commit

[Marina Zhurakhinskaya <marinaz src gnome org>]

commit a160e31c2ae12dc2a0329785d0d70fcfe188d70b
Author: Matt Novenstern <fisxoj gmail com>
Date:   Thu Jun 24 14:14:27 2010 +0200

    Fix missing semicolon in source title commit
    
    Just add the missing semicolon
    
    https://bugzilla.gnome.org/show_bug.cgi?id=622592

 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 90e9a78..7ff36cd 100644
--- a/js/ui/messageTray.js
+++ b/js/ui/messageTray.js
@@ -801,7 +801,7 @@ MessageTray.prototype = {
 
     _onSummaryItemClicked: function(summaryItem) {
         if (!this._clickedSummaryItem || this._clickedSummaryItem != summaryItem)
-            this._clickedSummaryItem = summaryItem
+            this._clickedSummaryItem = summaryItem;
         else
             this._clickedSummaryItem = null;