some warning fixes
some warning fixes

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