Windows XP doesn't support setting socket handles to be non-inheritable,
but the rio_notifier attempts to do so. WSASocketA will there return
an error when the NO_INHERIT flag is set. In that case, just retry the
call without the flag.
Fixes #26943
Reviewed-by: Tim Hudson <tjh@openssl.org> Reviewed-by: Matt Caswell <matt@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/26970)