coverity#705015 Explicit null dereferenced
coverity#705015 Explicit null dereferenced

Change-Id: Idac9493e152f639066cf497be897b8a489c39f6c

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