Getting rid of unused variable warning.
Getting rid of unused variable warning.

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