coverity#704732 Dereference after null check
coverity#704732 Dereference after null check

Change-Id: Ida02c1d9f0bc35d115f3762d5c360231ab800b23

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