message: stitching: don't use nonfree by default
diff: @@ -59,22 +59,14 @@ Stitcher Stitcher::createDefault(bool try_use_gpu)
  #ifdef HAVE_OPENCV_CUDALEGACY
  if (try_use_gpu && cuda::getCudaEnabledDeviceCount() > 0)
  {
  -#ifdef HAVE_OPENCV_XFEATURES2D
  - stitcher.setFeaturesFinder(makePtr<detail::SurfFeaturesFinderGpu>());
  -#else
  stitcher.setFeaturesFinder(makePtr<detail::OrbFeaturesFinder>());
  -#endif
  stitcher.setWarper(makePtr<SphericalWarperGpu>());
  stitcher.setSeamFinder(makePtr<detail::GraphCutSeamFinderGpu>());
  }
  else
  #endif
  {
  -#ifdef HAVE_OPENCV_XFEATURES2D
  - stitcher.setFeaturesFinder(makePtr<detail::SurfFeaturesFinder>());
  -#else
  stitcher.setFeaturesFinder(makePtr<detail::OrbFeaturesFinder>());
  -#endif
  stitcher.setWarper(makePtr<SphericalWarper>());
  stitcher.setSeamFinder(makePtr<detail::GraphCutSeamFinder>(detail::GraphCutSeamFinderBase::COST_COLOR));
  }
  