coverity fixes

git-svn-id: http://root.cern.ch/svn/root/trunk@44634 27541ba8-7e3a-0410-8455-c3a389f83636

geom/geom/src/TGeoManager.cxx

@@ -3632,6 +3632,7 @@ void TGeoManager::UpdateElements()
          for (i=0; i<nelem; i++) {
             elem = mix->GetElement(i);
             elem_table = fElementTable->GetElement(elem->Z());
+            if (!elem || !elem_table) continue;
             if (elem != elem_table) {
                elem_table->SetDefined(elem->IsDefined());
                elem_table->SetUsed(elem->IsUsed());

geom/geom/src/TGeoPhysicalNode.cxx

@@ -177,11 +177,13 @@ void TGeoPhysicalNode::Align(TGeoMatrix *newmat, TGeoShape *newshape, Bool_t che
          // Clone daughter volume and node
          vd = node->GetVolume()->CloneVolume();
          if (!vd) {
+            delete [] id;
             Fatal("Align", "Cannot clone volume %s", node->GetVolume()->GetName());
             return;
          }   
          nnode = node->MakeCopyNode();
          if (!nnode) {
+            delete [] id;
             Fatal("Align", "Cannot make copy node for %s", node->GetName());
             return;
          }