ports/144688: Update Port: www/xpi-foxyproxy to v2.19.1

[miwi at FreeBSD.org]

Synopsis: Update Port: www/xpi-foxyproxy to v2.19.1

Responsible-Changed-From-To: freebsd-ports-bugs->miwi
Responsible-Changed-By: miwi
Responsible-Changed-When: Fri Mar 12 18:32:40 UTC 2010
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=144688