From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Wed, 17 Mar 2021 09:28:25 +0000 (+0100)
Subject: Use the correct file extension.
X-Git-Tag: v9.3.0-rc1~311^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ad075165b325c9ff81636b9c336cc5fc5e2ed97b;p=dealii.git

Use the correct file extension.
---

diff --git a/examples/step-15/step-15.cc b/examples/step-15/step-15.cc
index 86b0674c64..eeab634d80 100644
--- a/examples/step-15/step-15.cc
+++ b/examples/step-15/step-15.cc
@@ -660,7 +660,7 @@ namespace Step15
         data_out.build_patches();
 
         const std::string filename =
-          "solution-" + Utilities::int_to_string(refinement_cycle, 2) + ".vtk";
+          "solution-" + Utilities::int_to_string(refinement_cycle, 2) + ".vtu";
         std::ofstream output(filename);
         data_out.write_vtu(output);