Fix warnings

Optimal_transportation_reconstruction_2/demo/Optimal_transportation_reconstruction_2/scene.h

@@ -407,7 +407,7 @@ public:
                                                          Point_3_from_sample()),
                          boost::make_transform_iterator (m_samples.end(),
                                                          Point_3_from_sample())),
-       3);
+       3, CGAL::parameters::point_map (CGAL::Identity_property_map_no_lvalue<K::Point_3>()));
     std::cerr << "Average spacing = " << spacing << std::endl;
   }
   

Spatial_searching/include/CGAL/Kd_tree_rectangle.h

@@ -105,6 +105,7 @@ namespace CGAL {
     }
 
     Kd_tree_rectangle() 
+      : max_span_coord_(-1)
     {}