[PATCH cygport] lib/src_prep.cygpart: Fix incorrect options passed to unzstd in unpack()

[Jon Turney]

On 04/08/2023 18:51, ASSI via Cygwin-apps wrote:
> Jon Turney via Cygwin-apps writes:
>> Do you have an example of a cygport which fails without this fix, so I
>> can add a test for this?
> 
> Anything with a SRC_URI or PATCH_URI that has .zst suffix but not
> .tar.zst should suffice.
> 

Yes, I had managed to deduce that much. :)

Providing a specific instance would save me having to find or invent 
one, though.