coverity#705921 Dereference before null check
coverity#705921 Dereference before null check

Change-Id: Ied523c0ea680fa7d1fe147e7f2e7a78758bc1f14

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