ports/180444: Update www/mod_rivet port to latest version

[ohauer at FreeBSD.org]

Synopsis: Update www/mod_rivet port to latest version

Responsible-Changed-From-To: apache->ohauer
Responsible-Changed-By: ohauer
Responsible-Changed-When: Wed Jul 10 21:36:48 UTC 2013
Responsible-Changed-Why: 
I'll take it.

>From Rivet 2.1: Release Notes
> Rivet 2.1 works with the Apache Webserver version 2.x 
> (running the prefork MPM) and requires Tcl >= 8.5.11 

So the required TCL version should be adjusted.

-USE_TCL=       84+
+USE_TCL=       85+



http://www.freebsd.org/cgi/query-pr.cgi?pr=180444