[7u6] Request for approval: 7146550: [macosx] DnD test failure in createCompatibleWritableRaster()

[Andrew Brygin]

Hello,

Requesting approval to commit fix for 7146550 into 7u6.

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

Bug: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7146550
jdk8 changeset: http://hg.openjdk.java.net/jdk8/2d/jdk/rev/a2d12ca36eb3
Webrev: http://cr.openjdk.java.net/~bae/7146550/7u6/webrev.00/
Review thread: 
http://mail.openjdk.java.net/pipermail/macosx-port-dev/2012-May/004262.html
Reviewed by: Artem Ananiev, Sergey Bylokhov

Thanks,
Andrew