message: Fix LORSolver variadic constructors
diff: @@ -212,7 +212,8 @@ public:
  ///
  /// The object @a lor_ will be used for DOF permutations.
  template <typename... Args>
  - LORSolver(const Operator &op, LORBase &lor_, Args... args) : solver(args...)
  + LORSolver(const Operator &op, LORBase &lor_, Args&&... args)
  + : solver(args...)
  {
  lor = &lor_;
  own_lor = false;
  @@ -224,7 +225,7 @@ public:
  ///
  /// The given @a args will be used as arguments to the solver constructor.
  template <typename... Args>
  - LORSolver(LORBase &lor_, Args... args)
  + LORSolver(LORBase &lor_, Args&&... args)
  : LORSolver(*lor_.GetAssembledSystem(), lor_, args...) { }
  void SetOperator(const Operator &op)
  