micro optimize this a bit
micro optimize this a bit

Change-Id: Ie7c36f95b9e594d6cda4c4371d51e79e6d387fd1

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