Updated Cray patch against openssh SNAP-20010725

[mouring at etoh.eviladmin.org]

> I decided to go into a little more detail about the patches to
> each module:
>
[..]
>  serverloop.c	- Modified sigchld_handler to only reset
> 		       SIGCLD if HAVE_SIGACTION is not set.  This is the
> 		       only case its needs to be reset, the side effect
>    	            is it fixes the problem with a infinite signal loop
>  			  under unicos and unicosmk.
Hmm.. I suggest if you want to keep doing this to do

#if !defined(HAVE_SIGACTION) && defined(_CRAY)  because this could be
valid on other platforms.  mysignal drops back to signal() if sigaction()
can not be found (most notiable NeXTStep).