coverity#705822 Dereference before null check
coverity#705822 Dereference before null check

Change-Id: I1b54b89254211f5f6191a8f1b6af9181f90bd071

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