cid#736793 dereference before null check
cid#736793 dereference before null check

Change-Id: I389b758cb2ec0ab71706e165d0d382dd08396c3b

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