From 572313b327adae1ab0ef0efbaa9581770856b6be Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Thu, 11 Jul 2024 11:38:35 -0600
Subject: [PATCH] Make a 'Mapping' object 'const'.

---
 examples/step-19/step-19.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/step-19/step-19.cc b/examples/step-19/step-19.cc
index b282bb4f1a..4bf55d477d 100644
--- a/examples/step-19/step-19.cc
+++ b/examples/step-19/step-19.cc
@@ -143,7 +143,7 @@ namespace Step19
     void output_results() const;
 
     Triangulation<dim>        triangulation;
-    MappingQ<dim>             mapping;
+    const MappingQ<dim>       mapping;
     const FE_Q<dim>           fe;
     DoFHandler<dim>           dof_handler;
     AffineConstraints<double> constraints;
-- 
2.39.5