COMP:Fix a warning about size_type int conversion
COMP:Fix a warning about size_type int conversion

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