message: fix FindContours default offset for CV_LINK_RUNS method
diff: @@ -1893,14 +1893,23 @@ void cv::findContours( InputOutputArray _image, OutputArrayOfArrays _contours,
  CV_Assert(_contours.empty() || (_contours.channels() == 2 && _contours.depth() == CV_32S));
  - Mat image;
  - copyMakeBorder(_image, image, 1, 1, 1, 1, BORDER_CONSTANT | BORDER_ISOLATED, Scalar(0));
  + Mat image0 = _image.getMat(), image;
  + Point offset0(0, 0);
  + if(method != CV_LINK_RUNS)
  + {
  + offset0 = Point(-1, -1);
  + copyMakeBorder(image0, image, 1, 1, 1, 1, BORDER_CONSTANT | BORDER_ISOLATED, Scalar(0));
  + }
  + else
  + {
  + image = image0;
  + }
  MemStorage storage(cvCreateMemStorage());
  CvMat _cimage = image;
  CvSeq* _ccontours = 0;
  if( _hierarchy.needed() )
  _hierarchy.clear();
  - cvFindContours_Impl(&_cimage, storage, &_ccontours, sizeof(CvContour), mode, method, offset + Point(-1, -1), 0);
  + cvFindContours_Impl(&_cimage, storage, &_ccontours, sizeof(CvContour), mode, method, offset + offset0, 0);
  if( !_ccontours )
  {
  _contours.clear();
  