hg: openjfx/9-dev/rt: 8148721: Memory leak caused by scroll gesture

[chien.yang at oracle.com]

Changeset: a6a83e56c588
Author:    ckyang
Date:      2016-07-18 16:46 -0700
URL:       http://hg.openjdk.java.net/openjfx/9-dev/rt/rev/a6a83e56c588

8148721: Memory leak caused by scroll gesture
Reviewed-by: kcr

! modules/graphics/src/main/java/javafx/scene/Scene.java