BUGFIX: Add export macro to class
BUGFIX: Add export macro to class

Added VTK_COMMON_EXPORT macro to the class declaration.

Change-Id: I34352958d430ed41c56da55a5c62731ee7b5a211

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