coverity#735322 Unchecked return value
coverity#735322 Unchecked return value

Change-Id: I12f9392813f5fdd6f2d36398ea00a5cad812cd26

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