hg: jdk8/tl/jdk: 8025124: InitialToken.useNullKey incorrectly applies NULL_KEY in some cases

[weijun.wang at oracle.com]

Changeset: a70aab9b373e
Author:    weijun
Date:      2013-10-16 14:39 +0800
URL:       http://hg.openjdk.java.net/jdk8/tl/jdk/rev/a70aab9b373e

8025124: InitialToken.useNullKey incorrectly applies NULL_KEY in some cases
Reviewed-by: xuelei

! src/share/classes/sun/security/jgss/krb5/InitialToken.java
! src/share/classes/sun/security/krb5/KrbCred.java