xfstests: getfacl -n unsupported in older acl package

Tue Nov 30 10:45:12 CST 2010

On Tue, Nov 30, 2010 at 02:47:38PM +0100, Boris Ranto wrote:
> Test cases 051 and 067 use getfacl with option -n. This works well on newer systems but older acl package know only its longer version: --numeric.
> 
> I've tested the two tests with long option and they both passed.
> 
> Therefore I'd propose this patch to fix this for earlier acl versions:

Looks fine to me.  I'll check in after a small delay for the others to
comments. 