hg: openjfx/8/graphics/rt: Fix for RT-27152: Thread race between EmbeddedScene.<init> and EmbeddedScene.setDragStartListener()

[hang.vo at oracle.com]

Changeset: 7ce3487f962e
Author:    Artem Ananiev <artem.ananiev at oracle.com>
Date:      2013-04-29 20:02 +0400
URL:       http://hg.openjdk.java.net/openjfx/8/graphics/rt/rev/7ce3487f962e

Fix for RT-27152: Thread race between EmbeddedScene.<init> and EmbeddedScene.setDragStartListener()
Reviewed-by: Steve Northover

! javafx-ui-quantum/src/com/sun/javafx/tk/quantum/EmbeddedScene.java
! javafx-ui-quantum/src/com/sun/javafx/tk/quantum/GlassScene.java