coverity#1251589 silence Using invalid iterator
coverity#1251589 silence Using invalid iterator

Change-Id: I116294ee40eb61e8cbf308369998bd48a2f27812

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