[7u4] Request for approval: 7146131: [macosx] When click the show optionpane button,it display partly of dialog and hung until timeout

[Alexander Potochkin]

Requesting approval to commit fix for CR 7146131.

http://cr.openjdk.java.net/~alexp/7146131/webrev.00/

Reviewed by Anthony Petrov

http://mail.openjdk.java.net/pipermail/macosx-port-dev/2012-February/003403.html

the bug's description is here:
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7146131

This fixes a regression from a previous 7u4 fix

Thanks
alexp