Fix /etc/rc.d/random umask handling (/entropy permissions)

[Simon J. Gerraty]

Jilles Tjoelker <jilles at stack.nl> wrote:
> Index: etc/rc.d/random
> ===================================================================
> --- etc/rc.d/random	(revision 311446)
> +++ etc/rc.d/random	(working copy)
> @@ -20,12 +20,14 @@
>  
>  save_dev_random()
>  {
> +	oumask=`umask`

why not simply use a sub-shell to tighten umask

(umask 077; what-ever)