hg: openjfx/9-dev/rt: 8145855: Fix build glass_gtkcompat.cpp issue

[david.hill at oracle.com]

Changeset: 298ee18c8890
Author:    ddhill
Date:      2015-12-19 11:20 -0500
URL:       http://hg.openjdk.java.net/openjfx/9-dev/rt/rev/298ee18c8890

8145855: Fix build glass_gtkcompat.cpp issue
Reviewed-by: kcr

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