[PATCH] xfstests: fix a few build warnings

[Christoph Hellwig]

>  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>