critical section blocking

[Aric Stewart]

Hum, ok thank for pointing out that my fix does not work. I will
continue to try to investigate more, and see if i can find another fix
or understand the problem more completely. 

thanks
-aric

Me wrote:
> 
> > With this patch, Myst locks up solid as soon as the mouse is moved into
> > the Myst window. Without it, Myst works fine.
> Same with Red Alert, except without the patch the mouse would eventually lock
> up, instead of right away with this patch. The bug is actually there, and
> it's really annoying, but the fix is wrong.
> 
> -Ryan
>