bug#71309: du --total output does not take in account the --threshold

Hi,

You wrote:

> In a directory with this:
>
> $du --total *
> 10240   10-Megs
> 20480   20-Megs
> 61444   60-Megs
> 81924   80-Megs
> 174088  total
> 
> I would expect du --total --threshold -50M * to be
> 
> $du --total --threshold -50M *
> 10240   10-Megs
> 20480   20-Megs
> 30720   total
> 
> ie exactly as if I had asked:
> 
> $du --total 10-Megs 20-Megs
> 10240   10-Megs
> 20480   20-Megs
> 30720   total
> 
> But the actual output is:
> 
> $du --threshold -50M --total *
> 10240   10-Megs
> 20480   20-Megs
> 174088  total
> 
> and so the total includes all the files scanned, and not just the files
> displayed.
> 
> I see this in coreutils 8.32, but the culprit code seems to still be
> there in the current master branch

I agree it is a bit unclear, but FreeBSD operates the same way.
Therefore, I am inclined to keep the existing behavior.

Collin