coverity#703939 Unchecked return value
coverity#703939 Unchecked return value

Change-Id: Ic19f4c41d3e0e32ae1ebffb690b821260d7e00d0

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