use sc::divide() for -fsanitize=float-divide-by-zero triggered by unit test
use sc::divide() for -fsanitize=float-divide-by-zero triggered by unit test

Change-Id: I370f2f5e3e0ceb40051cbf2f806072f4fd213811

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