hg: openjfx/8/graphics/rt: Fix RT-29680 - Exception while using ImagePattern

[hang.vo at oracle.com]

Changeset: c78e4286cc83
Author:    flar <James.Graham at oracle.com>
Date:      2013-05-16 15:00 -0700
URL:       http://hg.openjdk.java.net/openjfx/8/graphics/rt/rev/c78e4286cc83

Fix RT-29680 - Exception while using ImagePattern

! prism-common/src/com/sun/prism/MultiTexture.java
! prism-common/src/com/sun/prism/Texture.java
! prism-common/src/com/sun/prism/impl/BaseTexture.java
! prism-sw/src/com/sun/prism/sw/SWArgbPreTexture.java
! prism-sw/src/com/sun/prism/sw/SWMaskTexture.java
! prism-sw/src/com/sun/prism/sw/SWTexture.java