message: minor fix for graph printing
diff: @@ -57,7 +57,7 @@ class DirectedVertexPropertiesWriter {
  protected:
  d_adj_list graph;
  - class print_visitor : public xacc::visitor_base<int,double,float,std::string,std::vector<double>,std::vector<std::size_t>> {
  + class print_visitor : public xacc::visitor_base<int,std::size_t, double,float,std::string,std::vector<double>,std::vector<std::size_t>> {
  protected:
  std::stringstream& ss;
  public:
  