coverity#704749 Dereference after null check
coverity#704749 Dereference after null check

Change-Id: Id74676712afb4753c9e2b1a81043190451b90f01

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core