coverity#704790 Dereference after null check
coverity#704790 Dereference after null check

Change-Id: I276b404405b9717a03d43a24c6ffecd5c6553969

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