ports/185754: [UPDATE] games/0verkill, fix issues reported by portlint

[edwin at FreeBSD.org]

Synopsis: [UPDATE] games/0verkill, fix issues reported by portlint

Responsible-Changed-From-To: freebsd-ports-bugs->mich
Responsible-Changed-By: edwin
Responsible-Changed-When: Mon Jan 13 20:20:08 UTC 2014
Responsible-Changed-Why: 
Over to maintainer (via the GNATS Auto Assign Tool)

http://www.freebsd.org/cgi/query-pr.cgi?pr=185754