hg: openjfx/8/graphics/rt: Fix RT-29620 - texture locking in SubScene

[hang.vo at oracle.com]

Changeset: 254dbec9f9a8
Author:    flar <James.Graham at oracle.com>
Date:      2013-04-12 16:22 -0700
URL:       http://hg.openjdk.java.net/openjfx/8/graphics/rt/rev/254dbec9f9a8

Fix RT-29620 - texture locking in SubScene

! javafx-sg-prism/src/com/sun/javafx/sg/prism/NGSubScene.java