ports/165409: [UPDATE] www/MT: update to 5.13

[scheidell at FreeBSD.org]

Synopsis: [UPDATE] www/MT: update to 5.13

Responsible-Changed-From-To: freebsd-ports-bugs->scheidell
Responsible-Changed-By: scheidell
Responsible-Changed-When: Thu Mar 15 12:56:10 UTC 2012
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=165409