[macosx] When change the state of a radio button nothing is heard from VoiceOver

http://java.net/jira/browse/MACOSX_PORT-642 submitted 2011/11/03 by Pete Brunet

.SUMMARY
When change the state of a radio button nothing is heard from VoiceOver
.STEPS TO REPRODUCE
1. Start VoiceOver (Command F5), using default settings, e.g. the VO cursor tracking the focused control.
2. cd ~/OpenJDK/macosx-port/build/macosx-universal/
3. bin/java -jar /Library/Java/Demos/JFC/SwingSet2/SwingSet2.jar
4. Press the Tab key to move to the second button in the tool bar.
5. Press the space bar to activate the button demo
6. Press tab repeatedly to move to an unselected radio button.
7. Press the space bar to select the radio button.
.RESULTS
Nothing is heard from VoiceOver.
.VERSION
OS:
OSX 10.7.2
Java:
openjdk version "1.7.0-internal"
OpenJDK Runtime Environment (build 1.7.0-internal-petebrunet_2011_10_08_00_36-b00)
OpenJDK 64-Bit Server VM (build 21.0-b17, mixed mode)
.REGRESSION
Provide information on steps taken to isolate the problem.
Describe circumstances where the problem occurs or does not occur,
such as software versions and/or hardware configurations.
.NOTES
Attach any relevant screen shots, crash logs, or console output.
Describe anything else that might be useful in resolving the problem,
such as leads on diagnosis, any workarounds, or first observed configuration.