coverity#735350 silence Unchecked return value from library
coverity#735350 silence Unchecked return value from library

Change-Id: I8b84466f8bb277c30df4340849b17506eddd4f21

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