hg: openjfx/jfx-dev/rt: 8193161: NullPointerException when generating image/installer on Linux

[victor.drozdov at oracle.com]

Changeset: f5594a98ead9
Author:    vdrozdov
Date:      2017-12-07 18:20 -0800
URL:       http://hg.openjdk.java.net/openjfx/jfx-dev/rt/rev/f5594a98ead9

8193161: NullPointerException when generating image/installer on Linux
Reviewed-by: almatvee

! modules/jdk.packager/src/main/java/jdk/packager/internal/legacy/builders/linux/LinuxAppImageBuilder.java