make sure we call SetInRefMode only once
make sure we call SetInRefMode only once

Change-Id: I16ff8b6aaa24b1f8522117197226db39f0617fad

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