hg: openjfx/2.2/controls/rt: fix RT-22466 Adding, removing then adding the same MenuBar instance in the scenegraph

[hang.vo at oracle.com]

Changeset: d014ba0c953c
Author:    Paru Somashekar <paru.somashekar at oracle.com>
Date:      2012-06-13 11:27 -0700
URL:       http://hg.openjdk.java.net/openjfx/2.2/controls/rt/rev/d014ba0c953c

fix RT-22466 Adding, removing then adding the same MenuBar instance in the scenegraph
triggers NPE.

! javafx-ui-controls/src/com/sun/javafx/scene/control/skin/MenuBarSkin.java