coverity#735605 Division or modulo by zero
coverity#735605 Division or modulo by zero

Change-Id: Ic3680ae833ed325ff4afe96fdca02f784ccd7d71

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