coverity#1187641 Unchecked return value
coverity#1187641 Unchecked return value

Change-Id: I6aa43041c503f2a897733d1f0ac8e013a96029dd

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