message: videio: Fix new frame size appling in v4l.
diff: @@ -1757,7 +1757,7 @@ bool CvCaptureCAM_V4L::icvSetFrameSize(int _width, int _height)
  if (_width > 0)
  width_set = _width;
  - if (height > 0)
  + if (_height > 0)
  height_set = _height;
  /* two subsequent calls setting WIDTH and HEIGHT will change
  