coverity#704838 Dereference after null check
coverity#704838 Dereference after null check

Change-Id: I6f2f6fce9361c26775561539c63725abfb72b25e

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