pdevs/mpi: fix bug on port name

src/tests/mpi/cluster/graph_manager.hpp

@@ -149,7 +149,7 @@ public:
         paradevs::pdevs::GraphManager < common::DoubleTime,
                                         LevelGraphManagerParameters >(
 						      coordinator, parameters),
-      model("m", parameters.index, false)
+      model("m", parameters.index + 1, true)
     {
       add_child(&model);
       for (std::vector <
@@ -177,7 +177,7 @@ public:
 	    }
 	  }
 	  if (it2->second.first == parameters.index) {
-	    in_ss << "in_" << it2->second.second;
+	    in_ss << "in_" << it2->first.second;
 	    if (not model.exist_in_port(in_ss.str())) {
 	      model.add_in_port(in_ss.str());
 	    }