AsyncClientMixin should not daemonize on Windows
AsyncClientMixin should not daemonize on Windows

If `AsyncClientMixin` daemonizes on Windows, an exception is thrown
since `daemonize` calls `os.fork()` which isn't supported on Windows.
No longer daemonize on Windows.

Signed-off-by: Sergey Kizunov <dfddabaa9af05982b01940b837a87844148069c9@ni.com>

saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt