ffplay: fix indentation

Signed-off-by: Marton Balint <cus@passwd.hu>

ffplay.c

@@ -2175,7 +2175,6 @@ static int audio_decode_frame(VideoState *is)
                 return -1;
 
             if (!is->audio_buf_frames_pending) {
-
                 if (flush_complete)
                     break;
                 new_packet = 0;