A strict javascript warning says that initializers should not have trailing , so it was removed

git-svn-id: svn://10.0.0.236/trunk@79420 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/xpfe/browser/resources/content/viewSourceDD.js

@@ -59,6 +59,6 @@ var contentAreaDNDObserver = {
       var flavourList = { };
       flavourList["text/unicode"] = { width: 2, iid: "nsISupportsWString" };
       return flavourList;
-    },
+    }
 
 };