ENH: fix memory leak
ENH: fix memory leak

jmerkow/VTK,arnaudgelas/VTK,arnaudgelas/VTK,johnkit/vtk-dev,sumedhasingla/VTK,aashish24/VTK-old,keithroe/vtkoptix,Wuteyan/VTK,ashray/VTK-EVM,cjh1/VTK,mspark93/VTK,sumedhasingla/VTK,naucoin/VTKSlicerWidgets,hendradarwin/VTK,hendradarwin/VTK,candy7393/VTK,jeffbaumes/jeffbaumes-vtk,sumedhasingla/VTK,collects/VTK,cjh1/VTK,msmolens/VTK,keithroe/vtkoptix,ashray/VTK-EVM,Wuteyan/VTK,gram526/VTK,spthaolt/VTK,mspark93/VTK,naucoin/VTKSlicerWidgets,daviddoria/PointGraphsPhase1,spthaolt/VTK,daviddoria/PointGraphsPhase1,daviddoria/PointGraphsPhase1,jmerkow/VTK,biddisco/VTK,biddisco/VTK,aashish24/VTK-old,biddisco/VTK,sankhesh/VTK,SimVascular/VTK,msmolens/VTK,jmerkow/VTK,gram526/VTK,sankhesh/VTK,demarle/VTK,Wuteyan/VTK,keithroe/vtkoptix,naucoin/VTKSlicerWidgets,arnaudgelas/VTK,Wuteyan/VTK,biddisco/VTK,jmerkow/VTK,sankhesh/VTK,mspark93/VTK,Wuteyan/VTK,jeffbaumes/jeffbaumes-vtk,sankhesh/VTK,berendkleinhaneveld/VTK,sumedhasingla/VTK,jeffbaumes/jeffbaumes-vtk,jmerkow/VTK,sumedhasingla/VTK,jmerkow/VTK,demarle/VTK,hendradarwin/VTK,candy7393/VTK,demarle/VTK,msmolens/VTK,cjh1/VTK,mspark93/VTK,berendkleinhaneveld/VTK,candy7393/VTK,SimVascular/VTK,berendkleinhaneveld/VTK,mspark93/VTK,arnaudgelas/VTK,daviddoria/PointGraphsPhase1,hendradarwin/VTK,ashray/VTK-EVM,spthaolt/VTK,cjh1/VTK,demarle/VTK,msmolens/VTK,candy7393/VTK,sankhesh/VTK,jeffbaumes/jeffbaumes-vtk,SimVascular/VTK,gram526/VTK,collects/VTK,naucoin/VTKSlicerWidgets,candy7393/VTK,naucoin/VTKSlicerWidgets,SimVascular/VTK,aashish24/VTK-old,ashray/VTK-EVM,sumedhasingla/VTK,sankhesh/VTK,collects/VTK,naucoin/VTKSlicerWidgets,jeffbaumes/jeffbaumes-vtk,candy7393/VTK,sankhesh/VTK,johnkit/vtk-dev,daviddoria/PointGraphsPhase1,sankhesh/VTK,berendkleinhaneveld/VTK,mspark93/VTK,sumedhasingla/VTK,johnkit/vtk-dev,keithroe/vtkoptix,daviddoria/PointGraphsPhase1,berendkleinhaneveld/VTK,gram526/VTK,spthaolt/VTK,Wuteyan/VTK,gram526/VTK,jeffbaumes/jeffbaumes-vtk,biddisco/VTK,keithroe/vtkoptix,demarle/VTK,biddisco/VTK,hendradarwin/VTK,spthaolt/VTK,cjh1/VTK,aashish24/VTK-old,Wuteyan/VTK,gram526/VTK,aashish24/VTK-old,arnaudgelas/VTK,keithroe/vtkoptix,arnaudgelas/VTK,johnkit/vtk-dev,spthaolt/VTK,collects/VTK,ashray/VTK-EVM,aashish24/VTK-old,hendradarwin/VTK,berendkleinhaneveld/VTK,keithroe/vtkoptix,gram526/VTK,candy7393/VTK,mspark93/VTK,ashray/VTK-EVM,msmolens/VTK,demarle/VTK,berendkleinhaneveld/VTK,SimVascular/VTK,johnkit/vtk-dev,SimVascular/VTK,johnkit/vtk-dev,SimVascular/VTK,msmolens/VTK,collects/VTK,msmolens/VTK,spthaolt/VTK,candy7393/VTK,jmerkow/VTK,keithroe/vtkoptix,msmolens/VTK,ashray/VTK-EVM,johnkit/vtk-dev,jmerkow/VTK,mspark93/VTK,hendradarwin/VTK,gram526/VTK,demarle/VTK,SimVascular/VTK,cjh1/VTK,sumedhasingla/VTK,demarle/VTK,ashray/VTK-EVM,biddisco/VTK,collects/VTK