coverity#1209803 Dereference before null check
coverity#1209803 Dereference before null check

Change-Id: Ie6435770edc709feba2ad191e00e03d637cf6154

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