ports/173124: update net-mgmt/mrtg

[madpilot at FreeBSD.org]

Synopsis: update net-mgmt/mrtg

Responsible-Changed-From-To: freebsd-ports-bugs->madpilot
Responsible-Changed-By: madpilot
Responsible-Changed-When: Sat Oct 27 09:14:35 UTC 2012
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=173124