COMP: Added static_cast as suggested by Sean McBride.
COMP: Added static_cast as suggested by Sean McBride.

Change-Id: I38b344d846d6b809d291e9962cfac89c5cf301c6

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