Apply patch from Arlene Berry to detect and ignore a duplicate mechanism token sent in the mechListMIC field, such as sent by Windows 2000 Server. https://github.com/krb5/krb5/commit/b2b972bb559c7f9df289d814bce1ba1f55eb3416 Commit By: tlyu Revision: 24075 Changed Files: U trunk/src/lib/gssapi/spnego/spnego_mech.c