fixed #1069  (cvflann::set_distance_type - Unresolved external under VS2008)
fixed #1069  (cvflann::set_distance_type - Unresolved external under VS2008)

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