BUG:Fixed bug when line is zero length long
BUG:Fixed bug when line is zero length long

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