ports/104842: update www/mod_auth_kerb to version 5.1

[Pav Lucistnik]

Synopsis: update www/mod_auth_kerb to version 5.1

State-Changed-From-To: open->closed
State-Changed-By: pav
State-Changed-When: Wed Mar 14 19:15:52 UTC 2007
State-Changed-Why: 
Committed, thanks, and sorry about the delay.

PS I noticed there's already 5.3 on the Sourceforge. Feeling like doing another
update?

http://www.freebsd.org/cgi/query-pr.cgi?pr=104842