[el2p] fix usage of object/pointer, use base()

Reviewed by Dennis.



git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@14205 2fb0f335-1f38-0410-981e-8018bf24f1b0

dumux/geomechanics/el2p/el2pbasemodel.hh

@@ -225,10 +225,10 @@ public:
     Scalar globalResidual(SolutionVector &residual,
                           const SolutionVector &u)
     {
-        jacAsm_.gridOperator().residual(u, residual);
+        jacAsm_->gridOperator().residual(u, residual);
 
         // calculate the square norm of the residual
-        Scalar result2 = residual.two_norm2();
+        Scalar result2 = residual.base().two_norm2();
         if (gridView_().comm().size() > 1)
             result2 = gridView_().comm().sum(result2);