Clean up unused variable warning.
Clean up unused variable warning.

berendkleinhaneveld/VTK,gram526/VTK,mspark93/VTK,gram526/VTK,cjh1/VTK,cjh1/VTK,SimVascular/VTK,collects/VTK,sumedhasingla/VTK,daviddoria/PointGraphsPhase1,hendradarwin/VTK,sankhesh/VTK,mspark93/VTK,sumedhasingla/VTK,sankhesh/VTK,berendkleinhaneveld/VTK,collects/VTK,demarle/VTK,demarle/VTK,SimVascular/VTK,aashish24/VTK-old,sankhesh/VTK,johnkit/vtk-dev,gram526/VTK,berendkleinhaneveld/VTK,jmerkow/VTK,aashish24/VTK-old,aashish24/VTK-old,sankhesh/VTK,daviddoria/PointGraphsPhase1,demarle/VTK,johnkit/vtk-dev,collects/VTK,johnkit/vtk-dev,ashray/VTK-EVM,gram526/VTK,hendradarwin/VTK,johnkit/vtk-dev,candy7393/VTK,jmerkow/VTK,mspark93/VTK,demarle/VTK,keithroe/vtkoptix,mspark93/VTK,spthaolt/VTK,johnkit/vtk-dev,sankhesh/VTK,msmolens/VTK,sumedhasingla/VTK,ashray/VTK-EVM,collects/VTK,daviddoria/PointGraphsPhase1,gram526/VTK,candy7393/VTK,keithroe/vtkoptix,msmolens/VTK,cjh1/VTK,keithroe/vtkoptix,mspark93/VTK,gram526/VTK,hendradarwin/VTK,berendkleinhaneveld/VTK,keithroe/vtkoptix,jmerkow/VTK,biddisco/VTK,SimVascular/VTK,ashray/VTK-EVM,demarle/VTK,demarle/VTK,SimVascular/VTK,biddisco/VTK,ashray/VTK-EVM,hendradarwin/VTK,johnkit/vtk-dev,msmolens/VTK,daviddoria/PointGraphsPhase1,jmerkow/VTK,gram526/VTK,candy7393/VTK,biddisco/VTK,biddisco/VTK,jmerkow/VTK,demarle/VTK,spthaolt/VTK,cjh1/VTK,jmerkow/VTK,hendradarwin/VTK,collects/VTK,johnkit/vtk-dev,berendkleinhaneveld/VTK,aashish24/VTK-old,sankhesh/VTK,hendradarwin/VTK,demarle/VTK,candy7393/VTK,keithroe/vtkoptix,hendradarwin/VTK,mspark93/VTK,msmolens/VTK,candy7393/VTK,jmerkow/VTK,sumedhasingla/VTK,msmolens/VTK,ashray/VTK-EVM,gram526/VTK,candy7393/VTK,mspark93/VTK,daviddoria/PointGraphsPhase1,sumedhasingla/VTK,SimVascular/VTK,keithroe/vtkoptix,ashray/VTK-EVM,sumedhasingla/VTK,aashish24/VTK-old,ashray/VTK-EVM,jmerkow/VTK,keithroe/vtkoptix,msmolens/VTK,cjh1/VTK,collects/VTK,sumedhasingla/VTK,biddisco/VTK,berendkleinhaneveld/VTK,biddisco/VTK,berendkleinhaneveld/VTK,candy7393/VTK,spthaolt/VTK,daviddoria/PointGraphsPhase1,ashray/VTK-EVM,keithroe/vtkoptix,spthaolt/VTK,spthaolt/VTK,spthaolt/VTK,msmolens/VTK,sankhesh/VTK,cjh1/VTK,sumedhasingla/VTK,SimVascular/VTK,SimVascular/VTK,spthaolt/VTK,aashish24/VTK-old,SimVascular/VTK,sankhesh/VTK,candy7393/VTK,biddisco/VTK,msmolens/VTK,mspark93/VTK