coverity#982483 Dereference after null check
coverity#982483 Dereference after null check

Change-Id: I0e6db75e0c1dc5b26f2c251bdb4e37b5df8b3778

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