coverity#1187686 Dereference null return value
coverity#1187686 Dereference null return value

Change-Id: I68884a762527a0a430771d26a3c84c8482751bcb

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