[nonisothermal] add typedef for the indices

git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@13292 2fb0f335-1f38-0410-981e-8018bf24f1b0

dumux/material/fluidmatrixinteractions/2p/thermalconductivitysimplefluidlumping.hh

@@ -28,6 +28,7 @@
 
 namespace Dumux
 {
+
 /*!
  * \ingroup fluidmatrixinteractionslaws
  *
@@ -36,6 +37,7 @@ template<class TypeTag>
 class ThermalConductivitySimpleFluidLumping
 {
     typedef typename GET_PROP_TYPE(TypeTag, Scalar) Scalar;
+    typedef typename GET_PROP_TYPE(TypeTag, Indices) Indices;
     enum { numEnergyEquations = GET_PROP_VALUE(TypeTag, NumEnergyEquations)};