Another compiler warning fix.
Another compiler warning fix.

Change-Id: Iaf5c5609fbbce1f4a4b777dddf9b7e34c565b212

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