[clamav-win32] clamd very slow on e-mail scanning

[Bret Miller]

> >>Has anyone else noticed a real slowdown in clamd scanning 
> times on this
> last build? 
> 
> Yes, I have seen it too.  The number of timeouts have more 
> than doubled for
> me too.
> 
> But clamd is not crashing anymore, so I am happy.  

Don't know if I can do this, but here is an attempt at attaching a file
that causes the long scan time.

Bret