coverity#1208996 Unchecked return value
coverity#1208996 Unchecked return value

Change-Id: I02e79ddeefa3961ab7adeb71fbc57bfd0cbe02a8

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