diff -up xulrunner-2.0/mozilla-central/toolkit/system/gnome/nsAlertsIconListener.cpp.notify xulrunner-2.0/mozilla-central/toolkit/system/gnome/nsAlertsIconListener.cpp
--- xulrunner-2.0/mozilla-central/toolkit/system/gnome/nsAlertsIconListener.cpp.notify	2010-11-02 17:02:18.266180000 -0400
+++ xulrunner-2.0/mozilla-central/toolkit/system/gnome/nsAlertsIconListener.cpp	2010-11-02 17:02:37.699180028 -0400
@@ -218,7 +218,7 @@ nsAlertsIconListener::ShowAlert(GdkPixbu
 {
   mNotification = notify_notification_new(mAlertTitle.get(),
                                           mAlertText.get(),
-                                          NULL, NULL);
+                                          NULL);
   if (!mNotification)
     return NS_ERROR_OUT_OF_MEMORY;