KWSys: Pass ptrdiff_t check result to System.c
KWSys: Pass ptrdiff_t check result to System.c

Since commit "Provide unix-sytle command line parsing" (2009-07-13) the
reference to KWSYS_C_HAS_PTRDIFF_T in System.c has been meaningless
because the macro was never passed to the compiler!

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