Without this change, the lower device can't get a long message at the
beginning.  The mapper didn't open it before receiving a short message
in modData function.
Signed-off-by: Akihiro Sagawa <sagawa.aki@gmail.com>
Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>