krb5: new tag krb5-1.11.3-final

[Tom Yu]

A new lightweight tag "krb5-1.11.3-final" has been created in the krb5
repository for the following commit:

commit c538c54695ff40952873d6723066c3aa55893f27
Author: Tom Yu <tlyu at mit.edu>
Date:   Fri May 31 17:50:55 2013 -0400

    Updates for krb5-1.11.3