[7u-osx] Request for approval for 7128597: [macosx] Program freeze when Swing is used with -XstartOnFirstThread

[Dmitry Cherepanov]

This is a request to push the following fix to jdk7u-osx:
CR: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7128597

Webrev: http://cr.openjdk.java.net/~dcherepanov/7128597/webrev.0

Technical review: 
http://mail.openjdk.java.net/pipermail/macosx-port-dev/2012-January/002126.html

Thanks,
Dmitry