[8u40] Request for approval: 8043610 Sorting columns in JFileChooser fails with AppContext NPE

[Petr Pchelko]

Hello, 

This is a request for approval to backport a fix from the jdk9 to the jdk8u-dev repository.

The bug: https://bugs.openjdk.java.net/browse/JDK-8043610
The fix: http://hg.openjdk.java.net/jdk9/client/jdk/rev/604abecf62c2
The review: http://mail.openjdk.java.net/pipermail/awt-dev/2014-May/007881.html

Thank you.
With best regards. Petr.