fixed bad bug in unsigned char data
fixed bad bug in unsigned char data

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