coverity#440717 Dereference after null check
coverity#440717 Dereference after null check

Change-Id: I2ff581a72aa66bff8943d31499013b31e360333b

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