hg: openjfx/11-dev/rt: 8235627: Blank stages when running JavaFX app in a macOS virtual machine

[johan at lodgon.com]

Changeset: 50e6b552e347
Author:    fthevenet
Date:      2019-12-20 20:19 +0000
URL:       https://hg.openjdk.java.net/openjfx/11-dev/rt/rev/50e6b552e347

8235627: Blank stages when running JavaFX app in a macOS virtual machine
Reviewed-by: arapte, kcr

! modules/javafx.graphics/src/main/native-glass/mac/GlassView3D.m