RFR: 8196509: Linux UI applications broken by the build change for JDK-8196218

[Phil Race]

All UI apps are broken on Linux :

Bug : https://bugs.openjdk.java.net/browse/JDK-8196509
Webrev: http://cr.openjdk.java.net/~prr/8196509/

The fix (for now) is a straightforward reversion of the change here :
http://hg.openjdk.java.net/jdk/client/rev/2f4fe7776a53

-phil