ports/130168: Minor cleanups to math/plplot

[amdmi3 at FreeBSD.org]

Synopsis: Minor cleanups to math/plplot

Responsible-Changed-From-To: freebsd-ports-bugs->amdmi3
Responsible-Changed-By: amdmi3
Responsible-Changed-When: Sun Jan 4 23:04:18 UTC 2009
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=130168