ffmpeg update to june 23 version which fixes mp4 crash on still frames with 3...

source/patched-ffmpeg-mt/libavformat/rtsp.h

 /*
  * RTSP definitions
  * Copyright (c) 2002 Fabrice Bellard
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
@@ skipping 172 matching lines @@
     RTSP_SERVER_WMS,  /**< Windows Media server */
     RTSP_SERVER_NB
 };
 
 /**
  * Private data for the RTSP demuxer.
  *
  * @todo Use ByteIOContext instead of URLContext
  */
 typedef struct RTSPState {
-    URLContext *rtsp_hd; /* RTSP TCP connexion handle */
+    URLContext *rtsp_hd; /* RTSP TCP connection handle */
 
     /** number of items in the 'rtsp_streams' variable */
     int nb_rtsp_streams;
 
     struct RTSPStream **rtsp_streams; /**< streams in this session */
 
     /** indicator of whether we are currently receiving data from the
      * server. Basically this isn't more than a simple cache of the
      * last PLAY/PAUSE command sent to the server, to make sure we don't
      * send 2x the same unexpectedly or commands in the wrong state. */
@@ skipping 251 matching lines @@
 void ff_rtsp_close_streams(AVFormatContext *s);
 
 /**
  * Close all connection handles within the RTSP (de)muxer
  *
  * @param rt RTSP (de)muxer context
  */
 void ff_rtsp_close_connections(AVFormatContext *rt);
 
 #endif /* AVFORMAT_RTSP_H */