hg: openjfx/8/graphics/rt: Fix for RT-29993: Win: screenCls should be global ref

[hang.vo at oracle.com]

Changeset: 76c47ff3932d
Author:    Artem Ananiev <artem.ananiev at oracle.com>
Date:      2013-04-25 17:14 +0400
URL:       http://hg.openjdk.java.net/openjfx/8/graphics/rt/rev/76c47ff3932d

Fix for RT-29993: Win: screenCls should be global ref

! glass/glass-lib-windows/src/GlassScreen.cpp