coverity#705111 Using invalid iterator
coverity#705111 Using invalid iterator

Change-Id: I613849da7d38c18b30e35534365e7bcb93aeedac

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