BUG: Crash when write mpeg4, swf and etc

i'm have not too much time for fix and programming, but found first error:
file ffmpg.c:
function struct ffmpeg *ffmpeg_open, line 437: 
old:
....
    /* Allocation the output media context. */
    ffmpeg->oc = av_mallocz(sizeof(AVFormatContext));
    if (!ffmpeg->oc) {
....
new:
...
    /* Allocation the output media context. */
    ffmpeg->oc = avformat_alloc_context();
    if (!ffmpeg->oc) {
...

and now it function (ffmpeg_open) work ok(i hope) and successfull create file (in my case SWF) with no zero length.

other error try find later.

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