COMP: fix some warnings
COMP: fix some warnings

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