BUG: Fix a segfault in vtkQtRichTextView if the pedigree id < 0.
BUG: Fix a segfault in vtkQtRichTextView if the pedigree id < 0.

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