coverity#704837 Dereference after null check
coverity#704837 Dereference after null check

Change-Id: I3b26473c6af7426b28818a4fa73f27295408acc3

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