coverity#735930 Dereference after null check
coverity#735930 Dereference after null check

Change-Id: Id523444331bcdab40d938fde42bd747fc8fa3149

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