COMP: fix type conversion warning
COMP: fix type conversion warning

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