coverity#705898 Dereference before null check
coverity#705898 Dereference before null check

Change-Id: I16029411bd758914e87c7dc020ff8779218fefaa

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