mf: Raise MESessionStopped again if session is already stopped.

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

dlls/mf/session.c

@@ -852,6 +852,9 @@ static void session_stop(struct media_session *session)
             else
                 session_set_stopped(session, hr);
 
+            break;
+        case SESSION_STATE_STOPPED:
+            IMFMediaEventQueue_QueueEventParamVar(session->event_queue, MESessionStopped, &GUID_NULL, S_OK, NULL);
             break;
         default:
             ;