hg: openjfx/8u-dev/rt: RT-35310: [Stage, Linux] In HelloSanity, the 'Back from minimize' button does not restore the stage

[alexander.zvegintsev at oracle.com]

Changeset: 854283e5452e
Author:    azvegint
Date:      2014-11-18 14:15 +0300
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/854283e5452e

RT-35310: [Stage, Linux] In HelloSanity, the 'Back from minimize' button does not restore the stage
Reviewed-by: ddhill

! modules/graphics/src/main/native-glass/gtk/glass_window.cpp
! modules/graphics/src/main/native-glass/gtk/glass_window.h