coverity#703938 Unchecked return value
coverity#703938 Unchecked return value

Change-Id: I7bbd7b536227902b3692137340a21eb755aa5ed8

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