coverity#704988 Dereference after null check
coverity#704988 Dereference after null check

Change-Id: I641f9cf087cb2cd7f26daa70c886f174a8404ba9

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