Update copyright lines with new year.

[simgrid.git] / include / simgrid / s4u / Mutex.hpp

diff --git a/include/simgrid/s4u/Mutex.hpp b/include/simgrid/s4u/Mutex.hpp
index fbab117..8510f78 100644 (file)
--- a/include/simgrid/s4u/Mutex.hpp
+++ b/include/simgrid/s4u/Mutex.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2006-2019. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2006-2020. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -32,8 +32,8 @@ class XBT_PUBLIC Mutex {
 
   kernel::activity::MutexImpl* const pimpl_;
   /* refcounting */
-  friend XBT_PUBLIC void intrusive_ptr_add_ref(Mutex* mutex);
-  friend XBT_PUBLIC void intrusive_ptr_release(Mutex* mutex);
+  friend XBT_PUBLIC void intrusive_ptr_add_ref(const Mutex* mutex);
+  friend XBT_PUBLIC void intrusive_ptr_release(const Mutex* mutex);
 
 public:
   explicit Mutex(kernel::activity::MutexImpl* mutex) : pimpl_(mutex) {}