fixing a compile error showing up in the continuous build
fixing a compile error showing up in the continuous build

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