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

source/patched-ffmpeg-mt/libavformat/http.c

Index: source/patched-ffmpeg-mt/libavformat/http.c
===================================================================
--- source/patched-ffmpeg-mt/libavformat/http.c	(revision 50820)
+++ source/patched-ffmpeg-mt/libavformat/http.c	(working copy)
@@ -53,7 +53,6 @@
 
 static int http_connect(URLContext *h, const char *path, const char *hoststr,
                         const char *auth, int *new_location);
-static int http_write(URLContext *h, const uint8_t *buf, int size);
 
 void ff_http_set_headers(URLContext *h, const char *headers)
 {
@@ -153,7 +152,6 @@
     }
     h->priv_data = s;
     s->filesize = -1;
-    s->chunksize = -1;
     s->is_chunked = 1;
     s->off = 0;
     s->init = 0;
@@ -323,7 +321,7 @@
              authstr ? authstr : "");
 
     av_freep(&authstr);
-    if (http_write(h, s->buffer, strlen(s->buffer)) < 0)
+    if (url_write(s->hd, s->buffer, strlen(s->buffer)) < 0)
         return AVERROR(EIO);
 
     /* init input buffer */
@@ -332,6 +330,7 @@
     s->line_count = 0;
     s->off = 0;
     s->filesize = -1;
+    s->chunksize = -1;
     if (post) {
         /* always use chunked encoding for upload data */
         s->chunksize = 0;