coverity#735334 Unchecked return value
coverity#735334 Unchecked return value

Change-Id: I8023e8c11e76def505568125703f30531161dfa7

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