coverity#982156 Unchecked return value
coverity#982156 Unchecked return value

Change-Id: I16180cae5fcf8dc59614f4ccf33f8745db05e138

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