Warning fix for win32
Warning fix for win32

Warning fix for win32

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