Request for approval: 8049996 [macosx] test java/awt/image/ImageIconHang.java fails with NPE

[Petr Pchelko]

Hello, 

This is a request for approval to back port the fix from JDK9 to JDK8u-dev repository.

The bug: 
https://bugs.openjdk.java.net/browse/JDK-8049996
The fix:
http://hg.openjdk.java.net/jdk9/client/jdk/rev/94f03bb92f78
The review thread:
http://mail.openjdk.java.net/pipermail/awt-dev/2014-July/008211.html

Thank you.
With best regards. Petr.