mf/session: Complete start command when called from invalid state.

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/mf/session.c

@@ -865,6 +865,7 @@ static void session_start(struct media_session *session, const GUID *time_format
         case SESSION_STATE_CLOSED:
             IMFMediaEventQueue_QueueEventParamVar(session->event_queue, MESessionStarted, &GUID_NULL,
                     MF_E_INVALIDREQUEST, NULL);
+            session_command_complete(session);
             break;
         default:
             ;