COMP: Fix compilation on HPUX
COMP: Fix compilation on HPUX

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