coverity#1158251 Dereference before null check
coverity#1158251 Dereference before null check

Change-Id: I724632f66d7ec64e165b039e8b9d8c43a9f5aaa7

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