ERR: Fixed warning due to range of data type in comparison.  Since we don't know if char is signed or unsigned, just test the most significant bit.
ERR: Fixed warning due to range of data type in comparison.  Since we don't know if char is signed or unsigned, just test the most significant bit.

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