cygwin 3.4.9-1

[Corinna Vinschen]

The following packages have been uploaded to the Cygwin distribution:

* cygwin-3.4.9-1
* cygwin-devel-3.4.9-1
* cygwin-doc-3.4.9-1

Bug Fixes
---------

- Fix a bug introduced in cygwin 3.4.0 that switch_to_nat_pipe flag is
  not cleared properly when non-cygwin app is terminated in the case
  where pseudo console is not activated.

- For the time being, disable creating special files using mknod/mkfifo
  on NFS.
  Addresses: https://cygwin.com/pipermail/cygwin/2023-August/254266.html

- Fix segfault when too many command line args are specified.
  Addresses: https://cygwin.com/pipermail/cygwin/2023-August/254333.html

- Fix build problems in terms of sys/cpuset.h.
  Addresses: https://cygwin.com/pipermail/cygwin/2023-August/254283.html