BUG: Filter was overwriting input scalars. Fixed.
BUG: Filter was overwriting input scalars. Fixed.

Change-Id: Iabef36000361c3c56b8778952d73df549c42dde9

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