coverity#705953 Dereference before null check
coverity#705953 Dereference before null check

Change-Id: Ia9d6af4d601b76dfb9e950fdb4bdaf283f3e985c

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