hg: openjfx/8u-dev/rt: RT-37380: [TreeTable] HelloTreeTableView - some tree items intermittently require double-click to expand or collapse

[hang . vo]

Changeset: 8ff6f815767f
Author:    jgiles
Date:      2014-06-11 11:34 +1200
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/8ff6f815767f

RT-37380: [TreeTable] HelloTreeTableView - some tree items intermittently 
require double-click to expand or collapse

! 
modules/controls/src/main/java/com/sun/javafx/scene/control/behavior/TreeTableCellBehavior.java