BUG: fixed crash when ia==NULL, was missing else.
BUG: fixed crash when ia==NULL, was missing else.

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