ffplay: signal the frame queue before closing audio

Fixed regression caused by 631ac655 when ffplay
does not quit if the audio thread is blocked.
Signed-off-by: Marton Balint <cus@passwd.hu>

ffplay.c

@@ -2786,9 +2786,8 @@ static void stream_component_close(VideoState *is, int stream_index)
     switch (avctx->codec_type) {
     case AVMEDIA_TYPE_AUDIO:
         packet_queue_abort(&is->audioq);
-
-        SDL_CloseAudio();
         frame_queue_signal(&is->sampq);
+        SDL_CloseAudio();
         SDL_WaitThread(is->audio_tid, NULL);
 
         decoder_destroy(&is->auddec);