message: Fix this boost deprecated include
diff: #include <gudhi/graph_simplicial_complex.h>
  #include <gudhi/Debug_utils.h>
  +#if BOOST_VERSION < 106600
  # include <boost/function_output_iterator.hpp>
  +#else
  +# include <boost/iterator/function_output_iterator.hpp>
  +#endif
  #include <boost/graph/adjacency_list.hpp>
  #include <iostream>
  