Add missing class prototype
Add missing class prototype

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