coverity#705966 Dereference before null check
coverity#705966 Dereference before null check

Change-Id: I74507ce67f928bdeb626d4070dbd2a45cc126521

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