coverity#705838 Dereference before null check
coverity#705838 Dereference before null check

Change-Id: I9a18699554bb0831478e5ca177e87ae11a6206cf

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