surface LIC - stl and NULL
surface LIC - stl and NULL

BUG 0014493. cast to pointer type when using NULL
to intialize stl containers of pointers.

Change-Id: I7ee397059a7be2639edccc9258842e19665085cd

mspark93/VTK,SimVascular/VTK,jmerkow/VTK,johnkit/vtk-dev,msmolens/VTK,johnkit/vtk-dev,mspark93/VTK,candy7393/VTK,sumedhasingla/VTK,hendradarwin/VTK,msmolens/VTK,demarle/VTK,candy7393/VTK,sumedhasingla/VTK,mspark93/VTK,johnkit/vtk-dev,SimVascular/VTK,sankhesh/VTK,ashray/VTK-EVM,candy7393/VTK,hendradarwin/VTK,candy7393/VTK,berendkleinhaneveld/VTK,demarle/VTK,SimVascular/VTK,berendkleinhaneveld/VTK,keithroe/vtkoptix,msmolens/VTK,jmerkow/VTK,hendradarwin/VTK,ashray/VTK-EVM,SimVascular/VTK,keithroe/vtkoptix,keithroe/vtkoptix,gram526/VTK,johnkit/vtk-dev,hendradarwin/VTK,msmolens/VTK,jmerkow/VTK,hendradarwin/VTK,candy7393/VTK,ashray/VTK-EVM,demarle/VTK,msmolens/VTK,SimVascular/VTK,candy7393/VTK,keithroe/vtkoptix,keithroe/vtkoptix,ashray/VTK-EVM,sumedhasingla/VTK,gram526/VTK,mspark93/VTK,ashray/VTK-EVM,msmolens/VTK,hendradarwin/VTK,gram526/VTK,sumedhasingla/VTK,candy7393/VTK,demarle/VTK,sumedhasingla/VTK,demarle/VTK,mspark93/VTK,SimVascular/VTK,jmerkow/VTK,jmerkow/VTK,keithroe/vtkoptix,jmerkow/VTK,SimVascular/VTK,berendkleinhaneveld/VTK,candy7393/VTK,sankhesh/VTK,gram526/VTK,berendkleinhaneveld/VTK,ashray/VTK-EVM,hendradarwin/VTK,mspark93/VTK,sumedhasingla/VTK,gram526/VTK,berendkleinhaneveld/VTK,gram526/VTK,johnkit/vtk-dev,demarle/VTK,berendkleinhaneveld/VTK,sumedhasingla/VTK,ashray/VTK-EVM,keithroe/vtkoptix,mspark93/VTK,gram526/VTK,msmolens/VTK,mspark93/VTK,sankhesh/VTK,msmolens/VTK,sankhesh/VTK,jmerkow/VTK,sankhesh/VTK,johnkit/vtk-dev,demarle/VTK,gram526/VTK,sankhesh/VTK,keithroe/vtkoptix,SimVascular/VTK,sumedhasingla/VTK,sankhesh/VTK,sankhesh/VTK,johnkit/vtk-dev,jmerkow/VTK,ashray/VTK-EVM,demarle/VTK,berendkleinhaneveld/VTK