hg: jdk-updates/jdk13u: 8230782: Robot.createScreenCapture() fails if ?awt.robot.gtk? is set to false

[dmitry.markov at oracle.com]

Changeset: 28f95f801cbb
Author:    dmarkov
Date:      2019-10-04 10:11 +0100
URL:       https://hg.openjdk.java.net/jdk-updates/jdk13u/rev/28f95f801cbb

8230782: Robot.createScreenCapture() fails if ?awt.robot.gtk? is set to false
Reviewed-by: prr, serb

! src/java.desktop/unix/native/libawt_xawt/awt/multiVis.c