coverity#735901 Dereference after null check
coverity#735901 Dereference after null check

Change-Id: Ie7defb4233a8ed51d358f8686ea8bfb6d22bb4c3

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