[7u6] Request for approval: 7124400: [macosx] CGraphicsDevice.getConfigurations() returns reference to member (does not copy configs)

[Andrew Brygin]

Hello,

Requesting approval to commit fix for 7124400 into 7u6.

The fix has already been pushed to jdk8, the code changes for 7u6 are 
identical.

Bug: http://bugs.sun.com/view_bug.do?bug_id=7124400
Jdk8 changeset: http://hg.openjdk.java.net/jdk8/2d/jdk/rev/7c4eed4b6c19
Webrev: http://cr.openjdk.java.net/~bae/7124400/7u6/webrev.00/
Review thread: 
http://mail.openjdk.java.net/pipermail/macosx-port-dev/2012-May/004260.html
Reviewed by: Artem Ananiev, Anthony Petrov.

Thanks,
Andrew