Code Review Request For RT-39921: With two or more application modal windows; windows deeper in the stack are receiving requestToFront when not enabled causes an NSBeep.

[Chien Yang]

Hi Kevin,

Please review this straightforward fix:

JIRA: https://javafx-jira.kenai.com/browse/RT-39921
webrev: http://cr.openjdk.java.net/~ckyang/RT-39921/webrev.00/

Thanks,
- Chien