coverity#705973 Dereference before null check
coverity#705973 Dereference before null check

Change-Id: Iee76f24ad73d103507594fb1433fba7d1294d759

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