pdevs/mpi: fix bug type

src/tests/mpi/cluster/graph_manager.hpp

@@ -240,7 +240,9 @@ public:
         S.set_sender(
             dynamic_cast < paradevs::pdevs::multithreading::Coordinator <
                 common::DoubleTime,
-	    paradevs::tests::mpi::cluster::RootGraphManager >*
+	        paradevs::tests::mpi::cluster::RootGraphManager,
+                paradevs::common::NoParameters,
+                paradevs::tests::mpi::cluster::RootGraphManagerParameters >*
             >(get_coordinator())->get_sender());
     }