Fixing bug causing vtkApplyColors to crash
Fixing bug causing vtkApplyColors to crash

Cell and point lookup tables may not be initialized, check
for that case.

Change-Id: Ife740060130b289df20110f8f8777c71caff26d4

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