RFR 8156471: test/sun/security/krb5/auto/TestHosts should not be modified in-place

[Wang Weijun]

Ping again.

> On Jun 6, 2016, at 6:34 PM, Wang Weijun <weijun.wang at oracle.com> wrote:
> 
> Please review the change at
> 
>  http://cr.openjdk.java.net/~weijun/8156471/webrev.00/
> 
> Mark, I noticed a strange "irlga09" host name at the end of TestHosts [1]. Is it happened to be one of your test machines and you've added it with this test? I can remove it in this fix.
> 
> Thanks
> Max
> 
> [1] http://cr.openjdk.java.net/~msheppar/8134577/webrev.10/test/sun/security/krb5/auto/TestHosts.html