PATCH: fix warning and return value for remove_dup_nonsys_dirs

[Zack Weinberg]

On Wed, Aug 21, 2002 at 12:23:50PM -0400, John David Anglin wrote:
> > Installed!  I suggest waiting a few days to see if the change causes
> > any problems before considering the branch.  I will work up something
> > for the relevant changes.html(s).
> 
> I don't know how I missed this.  The return value of remove_dup_nonsys_dirs
> isn't correct if there are no system directories.  The enclosed patch
> fixes the problem.
> 
> Tested with a bootstrap and check on hppa-linux with no regressions.
> 
> OK for main?

Yes.

zw