hg: openjfx/9-dev/rt: 8155114: Set both X and Y position for some window managers

[david.hill at oracle.com]

Changeset: e8a13a9159af
Author:    ddhill
Date:      2016-04-27 13:51 -0400
URL:       http://hg.openjdk.java.net/openjfx/9-dev/rt/rev/e8a13a9159af

8155114: Set both X and Y position for some window managers
Reviewed-by: morris

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