krb5: new tag krb5-1.11.6-final

[Tom Yu]

A new lightweight tag "krb5-1.11.6-final" has been created in the krb5
repository for the following commit:

commit 2eaf99e5d272417405c1676fab22be345872bf85
Author: Tom Yu <tlyu at mit.edu>
Date:   Mon Feb 23 18:02:16 2015 -0500

    Updates for krb5-1.11.6