[PATCH] xfstests: fix a few build warnings

[Alex Elder]

On Thu, 2011-03-10 at 12:24 -0500, Christoph Hellwig wrote:
> >  lio_random_methods(long curr_mask)
> >  {
> >      int mask=0;
> > -    long random_bit();
> > +    long random_bit(long);
> 
> This should use the prototype from include/random_range.h instead.
> 
> Otherwise looks good to me,
> 
> 
> Reviewed-by: Christoph Hellwig <hch at lst.de>

I should have done that.  Already committed though.