COMP: fix unused var warnings
COMP: fix unused var warnings

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