nNum is never read: remove it
nNum is never read: remove it

Change-Id: I615ee0ec9aca3c30018fb45f91240471b88e96eb

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