use parantheses to prevent wrong evaluation
use parantheses to prevent wrong evaluation

Change-Id: Ia872b5648286fd76039f7c397ea78e18bc2ad6b8

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