BUG: fix bug 6909 reported with fix by Patrick Emond
BUG: fix bug 6909 reported with fix by Patrick Emond

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