coverity#705919 Dereference before null check
coverity#705919 Dereference before null check

Change-Id: I3bd5c35e6c9dcee0833dd3f5b15dec064b525d0a

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