[imp] run away ispell processes

[Chuck Hagenbuch]

Quoting Adam Arrowood <adam@oit.gatech.edu>:

> I have run into the same problem, and think I have a work around. It
> seems to be a problem with echo'ing large (>1024 character) strings
> piped into ispell. I have written some test cases in php (outside of
> IMP), and it does occur, but not every time. I can say that it I've only
> had it happen with large messages, but not every large message hangs it.
> 
> Anyway, my work around is to dump the message into a tmp file and
> call a shell script to pipe it through ispell.

I've committed something similar to this, but without the need for the
wrapper. If it works for people in HEAD, I'll merge it to RELENG.

-chuck

--
Charles Hagenbuch, <chuck@horde.org>
"After a few minutes the most aromatic and nice smelling Italian coffee 
 will come out of the exhaustpipe." - Our stove-top espresso pot