ports/63881: Update port: math/xlispstat to 3.5.20

[Kirill Ponomarew]

Synopsis: Update port: math/xlispstat to 3.5.20

Responsible-Changed-From-To: freebsd-ports-bugs->krion
Responsible-Changed-By: krion
Responsible-Changed-When: Sun Mar 7 07:20:09 PST 2004
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=63881