Silence warning.
Silence warning.

See #13130

sankhesh/VTK,SimVascular/VTK,sankhesh/VTK,keithroe/vtkoptix,jmerkow/VTK,sumedhasingla/VTK,sankhesh/VTK,mspark93/VTK,SimVascular/VTK,sumedhasingla/VTK,gram526/VTK,jmerkow/VTK,sankhesh/VTK,keithroe/vtkoptix,sumedhasingla/VTK,gram526/VTK,sankhesh/VTK,mspark93/VTK,jmerkow/VTK,mspark93/VTK,mspark93/VTK,keithroe/vtkoptix,sumedhasingla/VTK,keithroe/vtkoptix,gram526/VTK,jmerkow/VTK,keithroe/vtkoptix,SimVascular/VTK,sankhesh/VTK,SimVascular/VTK,gram526/VTK,gram526/VTK,gram526/VTK,keithroe/vtkoptix,SimVascular/VTK,gram526/VTK,mspark93/VTK,sumedhasingla/VTK,jmerkow/VTK,sumedhasingla/VTK,jmerkow/VTK,jmerkow/VTK,sankhesh/VTK,jmerkow/VTK,sumedhasingla/VTK,SimVascular/VTK,sankhesh/VTK,mspark93/VTK,SimVascular/VTK,keithroe/vtkoptix,keithroe/vtkoptix,gram526/VTK,mspark93/VTK,SimVascular/VTK,sumedhasingla/VTK,mspark93/VTK