coverity#704920 Dereference after null check
coverity#704920 Dereference after null check

Change-Id: I20f1f3183555a813f0e1c3b73d973333774b6b63

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