COMP: Fix compiler warnings with unused vars
COMP: Fix compiler warnings with unused vars

Change-Id: Ieff969484ec6e63470e8c133091c8dbe68a3fa72

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