hg: jdk8u/jdk8u-dev/jdk: 8225423: GTK L&F: JSplitPane: There is no divider shown

[zgu at redhat.com]

Changeset: 23784e697ad8
Author:    psadhukhan
Date:      2019-07-12 09:27 +0530
URL:       https://hg.openjdk.java.net/jdk8u/jdk8u-dev/jdk/rev/23784e697ad8

8225423: GTK L&F: JSplitPane: There is no divider shown
Reviewed-by: prr, serb

! src/solaris/native/sun/awt/gtk3_interface.c
! src/solaris/native/sun/awt/gtk3_interface.h