ports/68161: fix DoS (http://www.securityfocus.com/archive/1/366486)

[Oliver Eikemeier]

Kirill Ponomarew wrote:

> Synopsis: fix DoS (http://www.securityfocus.com/archive/1/366486)
>
> Responsible-Changed-From-To: freebsd-ports-bugs->krion

Sorry again. I've been CC'ed on this PR and didn't mean to
step on your toes. This could only be explained by a lack
of 1,3,7-Trimethylxanthine combined with an inability to
properly utilize my MUA.

I'll be more careful next time.

-Oliver