Fixed constructor of DuneFunctionsL2FunctionalAssembler

dune/fufem/assemblers/localassemblers/dunefunctionsl2functionalassembler.hh

@@ -82,9 +82,9 @@ class DuneFunctionsL2FunctionalAssembler :
          * \param f The L2 function
          */
         template<class FF, disableCopyMove<DuneFunctionsL2FunctionalAssembler, FF> = 0 >
-        DuneFunctionsL2FunctionalAssembler(F&& f) :
+        DuneFunctionsL2FunctionalAssembler(FF&& f) :
             f_(Dune::wrap_or_move<const Function>(std::forward<FF>(f))),
-            localF_(localFunction(f_)),
+            localF_(localFunction(*f_)),
             functionQuadKey_(dim, 0)
         {}