coverity#1157745 Unchecked return value
coverity#1157745 Unchecked return value

Change-Id: I06e8e946063dc54335f3b672105d5cd0b3ff71a4

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