fixed compile error
fixed compile error

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