hg: openjfx/8/graphics/rt: Fix RT-20784: Mac: Headless environment issue. Approved by Kevin and Phil

[hang.vo at oracle.com]

Changeset: 41a9ef3f44e9
Author:    Thor johannesson <thor.johannesson at oracle.com>
Date:      2013-03-01 15:30 -0800
URL:       http://hg.openjdk.java.net/openjfx/8/graphics/rt/rev/41a9ef3f44e9

Fix RT-20784: Mac: Headless environment issue. Approved by Kevin and Phil

! javafx-ui-quantum/src/com/sun/javafx/tk/quantum/QuantumToolkit.java