fixed some warnings
fixed some warnings

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