algo/joints: fix guard

src/algorithm/joint-configuration.hpp

 //
-// Copyright (c) 2016-2019 CNRS INRIA
+// Copyright (c) 2016-2020 CNRS INRIA
 //
 
-#ifndef __pinocchio_joint_configuration_hpp__
-#define __pinocchio_joint_configuration_hpp__
+#ifndef __pinocchio_algorithm_joint_configuration_hpp__
+#define __pinocchio_algorithm_joint_configuration_hpp__
 
 #include "pinocchio/multibody/fwd.hpp"
 #include "pinocchio/multibody/model.hpp"
@@ -954,5 +954,4 @@ namespace pinocchio
 /* --- Details -------------------------------------------------------------------- */
 #include "pinocchio/algorithm/joint-configuration.hxx"
 
-#endif // ifndef __pinocchio_joint_configuration_hpp__
-
+#endif // ifndef __pinocchio_algorithm_joint_configuration_hpp__

src/algorithm/joint-configuration.hxx

 //
-// Copyright (c) 2016-2019 CNRS INRIA
+// Copyright (c) 2016-2020 CNRS INRIA
 //
 
-#ifndef __pinocchio_joint_configuration_hxx__
-#define __pinocchio_joint_configuration_hxx__
+#ifndef __pinocchio_algorithm_joint_configuration_hxx__
+#define __pinocchio_algorithm_joint_configuration_hxx__
 
 #include "pinocchio/multibody/visitor.hpp"
 #include "pinocchio/multibody/liegroup/liegroup-algo.hpp"
@@ -421,5 +421,4 @@ namespace pinocchio
 
 } // namespace pinocchio
 
-#endif // ifndef __pinocchio_joint_configuration_hxx__
-
+#endif // ifndef __pinocchio_algorithm_joint_configuration_hxx__