Fixing build bustage.

widget/src/gtk/nsWindow.cpp

@@ -56,6 +56,7 @@
 #include "nsFont.h"
 #include "nsGUIEvent.h"
 #include "nsIRenderingContext.h"
+#include "nsIDOMNode.h"
 #include "nsRect.h"
 #include "nsTransform2D.h"
 #include "nsGfxCIID.h"

widget/src/gtk2/nsWindow.cpp

@@ -44,6 +44,7 @@
 #include "nsIRegion.h"
 #include "nsIRollupListener.h"
 #include "nsIMenuRollup.h"
+#include "nsIDOMNode.h"
 
 #include "nsWidgetsCID.h"
 #include "nsIDragService.h"