coverity#708141 baseclass mnPageCount is unused
coverity#708141 baseclass mnPageCount is unused

Change-Id: I65be7d072bb8762feaf22158104d58f0c0149f33

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