chattr makes cygport slow

[Andrew Schulman]

> On 16/07/2023 20:32, ASSI via Cygwin-apps wrote:
> > Jon Turney via Cygwin-apps writes:
> >> The warning (error if RESTRICT=case_insensitive) should occur for all
> >> commands, not just prep.
> > 
> > OK.
> > 
> >> How about the attached.
> > 
> > Looks promising.
> 
> Ok.  I made a cygport 0.36.6 release with this change.
> 
> Please let me know if it makes things better (or worse!)?

So much better. Thank you.
Andrew