krb5: new tag krb5-1.12.2-final

[Tom Yu]

A new lightweight tag "krb5-1.12.2-final" has been created in the krb5
repository for the following commit:

commit 64fca7954952bc0d177bb14de4b363b1041db1d7
Author: Tom Yu <tlyu at mit.edu>
Date:   Mon Aug 11 16:58:08 2014 -0400

    Updates for krb5-1.12.2