COMP: Fix compile warning about using class instead of struct.
COMP: Fix compile warning about using class instead of struct.

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