ports/161593: Update port: math/xplot

[ehaupt at FreeBSD.org]

Synopsis: Update port: math/xplot

Responsible-Changed-From-To: freebsd-ports-bugs->ehaupt
Responsible-Changed-By: ehaupt
Responsible-Changed-When: Mon Oct 17 20:15:59 CEST 2011
Responsible-Changed-Why: 
I will take care of it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=161593