coverity#1187863 unused mnExtra2
coverity#1187863 unused mnExtra2

Change-Id: Ic6a55a3640d782ba95a5ba4681f447ee28ae163e

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