COMP: fix bool warnings.
COMP: fix bool warnings.

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