Fix UpdateParam type detection

Author: pgrete

src/hydro/hydro.cpp

@@ -1322,7 +1322,7 @@ TaskStatus FirstOrderFluxCorrect(MeshData<Real> *u0_data, MeshData<Real> *u1_dat
 
   // update central counter
   const auto counter = pkg->Param<std::int64_t>("fixed_num_cells_fofc");
-  pkg->UpdateParam("fixed_num_cells_fofc", counter + num_corrected);
+  pkg->UpdateParam<std::int64_t>("fixed_num_cells_fofc", counter + num_corrected);
 
   return TaskStatus::complete;
 }

src/hydro/hydro_driver.cpp

@@ -594,7 +594,8 @@ TaskCollection HydroDriver::MakeTaskCollection(BlockList_t &blocks, int stage) {
           std::cout << msg.str() << "\n";
         }
 
-        hydro_pkg->UpdateParam("fixed_num_cells_fofc", 0); // reset counter for next stage
+        // reset counter for next stage
+        hydro_pkg->UpdateParam<std::int64_t>("fixed_num_cells_fofc", 0);
         return TaskStatus::complete;
       },
       pmesh, hydro_pkg.get(), stage);