krb5: new tag krb5-1.11-final

[Tom Yu]

A new lightweight tag "krb5-1.11-final" has been created in the krb5
repository for the following commit:

commit af092d6b82733459f0071d22da6926859c25ab8f
Author: Tom Yu <tlyu at mit.edu>
Date:   Mon Dec 17 21:35:02 2012 -0500

    Update README and patchlevel.h for krb5-1.11