BUG:  Fix crash in Exodus write with no timesteps.  Fixes #5828.  (From Eric)
BUG:  Fix crash in Exodus write with no timesteps.  Fixes #5828.  (From Eric)

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