keep the SURFPoint.laplacian as KeyPoint.class_id (ticket #341)
keep the SURFPoint.laplacian as KeyPoint.class_id (ticket #341)

opencv/opencv,opencv/opencv,apavlenko/opencv,opencv/opencv,opencv/opencv,opencv/opencv,apavlenko/opencv,opencv/opencv,apavlenko/opencv,opencv/opencv,apavlenko/opencv,opencv/opencv,opencv/opencv,apavlenko/opencv,apavlenko/opencv,opencv/opencv