hg: openjfx/8/graphics/rt: Update for RT-30638

[hang.vo at oracle.com]

Changeset: 8e02c0e5f19a
Author:    Artem Ananiev <artem.ananiev at oracle.com>
Date:      2013-05-28 13:00 +0400
URL:       http://hg.openjdk.java.net/openjfx/8/graphics/rt/rev/8e02c0e5f19a

Update for RT-30638
Reviewed-by: Kevin Rushforth

! javafx-ui-quantum/src/com/sun/javafx/tk/quantum/PresentingPainter.java
! prism-es2/src/com/sun/prism/es2/ES2SwapChain.java