message: videoio: don't pass zero fps to 3rd-party codecs
diff: @@ -382,6 +382,8 @@ static CvVideoWriter* cvCreateVideoWriterWithPreference(const char* filename, in
  if(!fourcc || !fps)
  TRY_OPEN(result, cvCreateVideoWriter_Images(filename))
  + CV_Assert(result || fps != 0);
  +
  switch(apiPreference)
  {
  default:
  