message: fix for emcal_cell_position variable
diff: @@ -2318,6 +2318,7 @@ void AliAnalysisTaskNTGJ::getVoronoiAreaCluster(
  #else
  {
  const std::vector<point_2d_t> cell_emcal_dcal =
  + _emcal_cell_position == NULL ? std::vector<point_2d_t>() :
  *reinterpret_cast<std::vector<point_2d_t> *>
  (_emcal_cell_position);
  voronoi_diagram_t diagram;
  