message: Fix compilation warning that was a bug. Value was not returned.
diff: @@ -47,7 +47,7 @@ class Nerve_gic_interface : public Cover_complex<std::vector<double>> {
  set_cover_from_Voronoi(Gudhi::Euclidean_distance(), m);
  }
  double set_graph_from_automatic_euclidean_rips(int N) {
  - set_graph_from_automatic_rips(Gudhi::Euclidean_distance(), N);
  + return set_graph_from_automatic_rips(Gudhi::Euclidean_distance(), N);
  }
  void set_graph_from_euclidean_rips(double threshold) {
  set_graph_from_rips(threshold, Gudhi::Euclidean_distance());
  