From 0799b83544e61d2801662a9276c8f617480fba1c Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Wed, 15 Apr 2020 08:18:23 -0600
Subject: [PATCH] Fix a couple of things in step-52.

---
 examples/step-52/step-52.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/examples/step-52/step-52.cc b/examples/step-52/step-52.cc
index c619be95a9..3e314b1ee1 100644
--- a/examples/step-52/step-52.cc
+++ b/examples/step-52/step-52.cc
@@ -445,11 +445,11 @@ namespace Step52
             break;
           }
       }
+    const std::string solution_name = "solution_" + method_name;
 
     DataOut<2> data_out;
 
     data_out.attach_dof_handler(dof_handler);
-    std::string solution_name = "solution_" + method_name;
     data_out.add_data_vector(solution, solution_name);
 
     data_out.build_patches();
@@ -457,7 +457,7 @@ namespace Step52
     data_out.set_flags(DataOutBase::VtkFlags(time, time_step));
 
     const std::string filename =
-      solution_name + Utilities::int_to_string(time_step, 3) + ".vtu";
+      solution_name + "-" + Utilities::int_to_string(time_step, 3) + ".vtu";
     std::ofstream output(filename);
     data_out.write_vtu(output);
 
-- 
2.39.5