coverity#704052 Unchecked return value
coverity#704052 Unchecked return value

that's ok I think

Change-Id: I8ad2f3eab55d5a5907c431532768c9080fccfcf5

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