hg: openjfx/8/graphics/rt: Gradle build fix. The "stub" source set compilation depends on the results of the "main" source set compilation. Was just getting lucky before.

[hang.vo at oracle.com]

Changeset: 4b103a235ef5
Author:    Richard Bair <richard.bair at oracle.com>
Date:      2013-03-22 13:15 -0700
URL:       http://hg.openjdk.java.net/openjfx/8/graphics/rt/rev/4b103a235ef5

Gradle build fix. The "stub" source set compilation depends on the results of the "main" source set compilation. Was just getting lucky before.

! build.gradle