hg: openjfx/2.2/graphics/rt: Follow-on fix for RT-23395 to preserve the original set value (the first version of the fix did this)

[hang.vo at oracle.com]

Changeset: 43999fd698ad
Author:    kcr
Date:      2012-07-17 09:05 -0700
URL:       http://hg.openjdk.java.net/openjfx/2.2/graphics/rt/rev/43999fd698ad

Follow-on fix for RT-23395 to preserve the original set value (the first version of the fix did this)

! javafx-ui-common/src/javafx/scene/canvas/GraphicsContext.java