[httperf] httperf IPv6 support

[Ted Bullock]

So there is an IPV6 patch available, however, I have not been able to
test it since I don't have access to a viable ipv6 environment.

I'll merge in into CVS in the next couple of days (before monday), and
hopefully you can test it there.

-Ted

-- 
Theodore Bullock, <tbullock at canada.com, tedbullock at gmail.com>
B.Sc Software Engineering
Bike Across Canada Adventure http://www.comlore.com/bike