coverity#1297232 Division or modulo by float zero
coverity#1297232 Division or modulo by float zero

and

coverity#1297231 Division or modulo by float zero

Change-Id: Icb303956bb3804bca1078c1135aca0eff370902b

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