hg: openjfx/jfx-dev/rt: 8211280: JavaFX build fails on Linux with gcc8

[murali.billa at oracle.com]

Changeset: e4dc16090ddf
Author:    pbansal
Date:      2018-12-19 12:08 +0530
URL:       http://hg.openjdk.java.net/openjfx/jfx-dev/rt/rev/e4dc16090ddf

8211280: JavaFX build fails on Linux with gcc8
Reviewed-by: kcr, mbilla, arajkumar

! modules/javafx.graphics/src/main/native-glass/gtk/glass_dnd.cpp
! modules/javafx.graphics/src/main/native-glass/gtk/glass_window_ime.cpp