ERR: fix memory leak
ERR: fix memory leak

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