minor cleanup

remove debug message, plug memory leak

Change-Id: If9fc08f0e046bcf89c0d14efc377b12d1a278605

Filters/StatisticsGnuR/vtkRAdapter.cxx

@@ -731,7 +731,6 @@ vtkTree* vtkRAdapter::RToVTKTree(SEXP variable)
     weights->SetValue(0, 0.0);//root edge weight = 0.0
     for (int i = 0; i < nedge; i++)
       {
-      cout << "(debug) edge weight #" << i << ": " << edge_length[i] << endl;
       weights->SetValue(i+1, edge_length[i]);
       }
     builder->GetEdgeData()->AddArray(weights.GetPointer());

Filters/StatisticsGnuR/vtkRCalculatorFilter.cxx

@@ -341,6 +341,7 @@ int vtkRCalculatorFilter::RequestData(vtkInformation *vtkNotUsed(request),
       outComposite->SetDataSet(iter, outComponent);
       outComponent->Delete();
       }
+    iter->Delete();
     }
 
   // For now: use the first input information for timing