Currently the thread just blocks until told to quit by midi_release.
Eventually this thread will dispatch the MIM_DATA and MIM_LONGDATA
notifications.
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>