[ic] Shipping calculation bug

[Mike Heins]

Quoting Bruno Cantieni (bruno at digi-land.com):
> Works as promised.
> Mike, you're my hero :)

Well, you are my hero for doing 90% of the troubleshooting. I am
extremely happy to fix problems when given enough info, and when
I am shown exactly what is going on it is even better.

> I was pretty sure get_option_hash was the issue but was too bugeyed by now
> to figure it out.

Thanks for your help fixing another thread-safe issue in IC. We are getting
very, very, close to being threadable.

-- 
Mike Heins
Perusion -- Expert Interchange Consulting    http://www.perusion.com/
phone +1.765.647.1295  tollfree 800-949-1889 <mike at perusion.com>

"Laughter is inner jogging." -- Norman Cousins