hg: openjfx/8u-dev/rt: RT-36905 Null pointer when a button without a mnemonic is re-added to a scene and alt is pressed

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Changeset: 077a84d87eb4
Author:    Martin Sladecek <martin.sladecek at oracle.com>
Date:      2014-05-02 08:05 +0200
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/077a84d87eb4

RT-36905 Null pointer when a button without a mnemonic is re-added to a scene and alt is pressed
Reviewed by: jgiles

! modules/controls/src/main/java/com/sun/javafx/scene/control/skin/LabeledSkinBase.java