hg: openjfx/8/graphics/rt: Fix RT-31998, forward port of RT-31701: HiDPI: Effects position are wrong

[hang.vo at oracle.com]

Changeset: 9c612891d297
Author:    flar <James.Graham at oracle.com>
Date:      2013-08-01 14:40 -0700
URL:       http://hg.openjdk.java.net/openjfx/8/graphics/rt/rev/9c612891d297

Fix RT-31998, forward port of RT-31701: HiDPI: Effects position are wrong

! modules/graphics/src/main/jsl-decora/InvertMask.jsl