BUG: call SetClientData() and SetCallback() with NULL in the destructor to fix the PrintSelf() test failure.
BUG: call SetClientData() and SetCallback() with NULL
in the destructor to fix the PrintSelf() test failure.

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