Re: [bug fix] pg_ctl fails with config-only directory

From: "Heikki Linnakangas" <hlinnakangas@vmware.com>
> Hmm, why do this only on Windows? If "postgres -C" is safe enough to run 
> as Administrator on Windows, why not allow running it as root on Unix as 
> well? Even if there's no particular need to allow it as root on Unix, 
> fewer #ifdefs is good.

Yes, I limited the change only to Windows, because I thought I might get get 
objection against unnecessary change.  Plus, --single should not be allowed 
for root, because root cannot be the PostgreSQL user account.

Regards
MauMau