From aef6672c82c654b96db6d169ff67e7790ff7e285 Mon Sep 17 00:00:00 2001
From: Matthias Maier <tamiko@43-1.org>
Date: Mon, 19 Apr 2021 20:09:09 -0500
Subject: [PATCH] fix a -Wdtor warning

---
 source/sundials/sunlinsol_wrapper.cc | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/source/sundials/sunlinsol_wrapper.cc b/source/sundials/sunlinsol_wrapper.cc
index d0fed62579..78bc3db2fd 100644
--- a/source/sundials/sunlinsol_wrapper.cc
+++ b/source/sundials/sunlinsol_wrapper.cc
@@ -194,19 +194,22 @@ namespace SUNDIALS
 
 
 
-  template <typename VectorType>
-  internal::LinearSolverWrapper<VectorType>::~LinearSolverWrapper()
+  namespace internal
   {
-    SUNLinSolFreeEmpty(sun_linear_solver);
-  }
+    template <typename VectorType>
+    LinearSolverWrapper<VectorType>::~LinearSolverWrapper()
+    {
+      SUNLinSolFreeEmpty(sun_linear_solver);
+    }
 
 
 
-  template <typename VectorType>
-  internal::LinearSolverWrapper<VectorType>::operator SUNLinearSolver()
-  {
-    return sun_linear_solver;
-  }
+    template <typename VectorType>
+    LinearSolverWrapper<VectorType>::operator SUNLinearSolver()
+    {
+      return sun_linear_solver;
+    }
+  } // namespace internal
 
 
 
-- 
2.39.5