Getting rid of another warning for vtkImageDataToUniformGrid filter.
Getting rid of another warning for vtkImageDataToUniformGrid filter.

Change-Id: Ic62986691aebdb2d64563a95f6d5c4927c3b86c3

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