coverity#704141: resource leak
coverity#704141: resource leak

Change-Id: I4147dfa5d0d1fb2324a6441580212f25ce9d4a01

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