hg: openjfx/jfx-dev/rt: 8189689: JavaFX build fails with gcc 6

[bourges.laurent at gmail.com]

Changeset: 6d279ecfacd1
Author:    lbourges
Date:      2018-03-09 23:11 +0100
URL:       http://hg.openjdk.java.net/openjfx/jfx-dev/rt/rev/6d279ecfacd1

8189689: JavaFX build fails with gcc 6
Summary: fix wait(status) + linux gradle build
Reviewed-by: kcr, lbourges
Contributed-by: ebourg at apache.org

! buildSrc/linux.gradle
! modules/jdk.packager/src/main/native/library/common/PosixPlatform.cpp