hg: jdk9/sandbox/jdk: 8071643: sun.security.krb5.KrbApReq.authenticate() is not thread safe

[chris.hegarty at oracle.com]

Changeset: eb522ba04156
Author:    weijun
Date:      2015-02-05 11:42 +0800
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/eb522ba04156

8071643: sun.security.krb5.KrbApReq.authenticate() is not thread safe
Reviewed-by: mullan

! src/java.security.jgss/share/classes/sun/security/krb5/KrbApReq.java