BUG: Fix for compiler warning about unused variables.
BUG: Fix for compiler warning about unused variables.

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