don't use FieldVector::size anymore, but can't use SymmetricTensor::dimension neither

[[Imported from SVN: r10886]]

dune/elasticity/zienkiewiczzhuestimator.hh

@@ -41,7 +41,8 @@ public:
         //   Create mass matrix
         // ////////////////////////////////////////////////////////////////////////
 
-        typedef FieldMatrix<double,SymmetricTensor<dim>::size, SymmetricTensor<dim>::size> BlockType;
+        //Blocktype is of size of the internal of a symmetric tensor, that is dim*(dim+1)/2
+        typedef FieldMatrix<double,dim*(dim+1)/2, dim*(dim+1)/2> BlockType;
         typedef BCRSMatrix<BlockType> MassMatrixType;
         typedef P1NodalBasis<typename GridType::LeafGridView,double> P1Basis;