[krbdev.mit.edu #1230] Hierarchical cross-realm seems broken

[Ken Hornstein]

>The behavior described here should work as I understand the code.  I'm able
>to reproduce in a test setup as follows:
>[...]

A co-worker of mine told me he discovered a bug regarding transitive
cross-realm in the 1.2.6 code (which might apply to this case).
I'll bug him and see if I can get a more exact report to see if
this is the issue.

--Ken