BUG: really fix build on vs6
BUG: really fix build on vs6

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