Fix compiler warning - unsigned int -> int
Fix compiler warning - unsigned int -> int

SimVascular/VTK,mspark93/VTK,mspark93/VTK,jmerkow/VTK,candy7393/VTK,jmerkow/VTK,jmerkow/VTK,jmerkow/VTK,candy7393/VTK,jmerkow/VTK,msmolens/VTK,keithroe/vtkoptix,sumedhasingla/VTK,jmerkow/VTK,demarle/VTK,msmolens/VTK,keithroe/vtkoptix,sumedhasingla/VTK,jmerkow/VTK,jmerkow/VTK,sankhesh/VTK,keithroe/vtkoptix,candy7393/VTK,demarle/VTK,gram526/VTK,gram526/VTK,sumedhasingla/VTK,mspark93/VTK,demarle/VTK,sumedhasingla/VTK,msmolens/VTK,SimVascular/VTK,SimVascular/VTK,SimVascular/VTK,msmolens/VTK,sankhesh/VTK,demarle/VTK,gram526/VTK,msmolens/VTK,gram526/VTK,sumedhasingla/VTK,gram526/VTK,msmolens/VTK,sumedhasingla/VTK,SimVascular/VTK,sankhesh/VTK,SimVascular/VTK,mspark93/VTK,demarle/VTK,gram526/VTK,msmolens/VTK,gram526/VTK,mspark93/VTK,sumedhasingla/VTK,demarle/VTK,msmolens/VTK,candy7393/VTK,keithroe/vtkoptix,sankhesh/VTK,sankhesh/VTK,demarle/VTK,sumedhasingla/VTK,candy7393/VTK,sankhesh/VTK,SimVascular/VTK,keithroe/vtkoptix,mspark93/VTK,candy7393/VTK,keithroe/vtkoptix,mspark93/VTK,SimVascular/VTK,keithroe/vtkoptix,sankhesh/VTK,sankhesh/VTK,mspark93/VTK,gram526/VTK,demarle/VTK,candy7393/VTK,candy7393/VTK,keithroe/vtkoptix