r=jst, a=brendan OS/2 bring up - PR_CALLBACK for VisualAge git-svn-id: svn://10.0.0.236/trunk@73237 18797224-902f-48f8-a5cc-f745e15eee43
r=jst, a=brendan OS/2 bring up - PR_CALLBACK for VisualAge git-svn-id: svn://10.0.0.236/trunk@73237 18797224-902f-48f8-a5cc-f745e15eee43