cygwin 3.5.7-1

[Corinna Vinschen]

The following packages have been uploaded to the Cygwin distribution:

* cygwin-3.5.7-1
* cygwin-devel-3.5.7-1
* cygwin-doc-3.5.7-1

Fixes:
------

- Fix stat() on message queues.
  Addresses: https://cygwin.com/pipermail/cygwin/2025-January/257186.html

- Avoid deadlocks when calling message queue functions from different threads
  in the same process.
  Addresses: https://cygwin.com/pipermail/cygwin/2025-January/257120.html