Changes for qnx(photon) platform only. They should not affect building/running other platforms.

Dnd related...

widget/src/photon/nsWidget.cpp

@@ -1180,6 +1180,7 @@ void nsWidget::ProcessDrag( PhEvent_t *event, PRUint32 aEventType, PhPoint_t *po
 
 	DispatchDragDropEvent( event, aEventType, pos );
 
+	int old_subtype = event->subtype;
 	event->subtype = Ph_EV_DND_ENTER;
 
 	PRBool canDrop;
@@ -1193,6 +1194,8 @@ void nsWidget::ProcessDrag( PhEvent_t *event, PRUint32 aEventType, PhPoint_t *po
 		PhAckDnd( event, Ph_EV_DND_MOTION, ( PhCursorDescription_t * ) &drop_cursor );
 		}
 
+	event->subtype = old_subtype;
+
 	// Clear the cached value
 	currSession->SetCanDrop(PR_FALSE);
 	}