hg: openjfx/jfx-dev/rt: 8201231: java.lang.NullPointerException at WindowStage.setPlatformEnabled

[kevin.rushforth at oracle.com]

Changeset: 9e15696a5569
Author:    kcr
Date:      2018-07-12 16:17 -0700
URL:       http://hg.openjdk.java.net/openjfx/jfx-dev/rt/rev/9e15696a5569

8201231: java.lang.NullPointerException at WindowStage.setPlatformEnabled
Reviewed-by: kcr
Contributed-by: priyanka.mangal at oracle.com

! modules/javafx.graphics/src/main/java/com/sun/javafx/tk/quantum/WindowStage.java