coverity#440991 Dereference after null check
coverity#440991 Dereference after null check

Change-Id: I3b911e4bc1e6c2eccf4b9655f12162936fc5a946

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