message: videoio(v4l): initialize variables
diff: @@ -883,8 +883,8 @@ bool CvCaptureCAM_V4L::createBuffers()
  for (unsigned int n_buffers = 0; n_buffers < req.count; ++n_buffers) {
  v4l2_buffer buf = v4l2_buffer();
  v4l2_plane mplanes[VIDEO_MAX_PLANES];
  - size_t length;
  - off_t offset;
  + size_t length = 0;
  + off_t offset = 0;
  buf.type = type;
  buf.memory = V4L2_MEMORY_MMAP;
  buf.index = n_buffers;
  