coverity#1224984 Dereference before null check
coverity#1224984 Dereference before null check

Change-Id: I05d54983d6231ec0b4293df51c7d55570d10cee7

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