Use proper header guard convention
Use proper header guard convention

Change-Id: I8e7b2187004a9b945a847c351e16ba1d1ff7a4ec

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