coverity#704823 Dereference after null check
coverity#704823 Dereference after null check

also coverity#735867

Change-Id: I5a682739c70971ccaa681daa233a8d0a6e009c91

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