message: fix the bug of HoughlinesSDIV
diff: @@ -435,12 +435,14 @@ HoughLinesSDiv( InputArray image, OutputArray lines, int type,
  }
  }
  + int pos = (int)(lst.size() - 1);
  + if( pos >= 0 && lst[pos].rho < 0 )
  + lst.pop_back();
  +
  lines.create((int)lst.size(), 1, type);
  Mat _lines = lines.getMat();
  for( size_t idx = 0; idx < lst.size(); idx++ )
  {
  - if( lst[idx].rho < 0 )
  - continue;
  if (type == CV_32FC2)
  {
  _lines.at<Vec2f>((int)idx) = Vec2f(lst[idx].rho, lst[idx].theta);
  