Add vtk module path when vtkpython is built as a forwarding executable.
Add vtk module path when vtkpython is built as a forwarding executable.

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