coverity#1169824 Explicit null dereferenced
coverity#1169824 Explicit null dereferenced

Change-Id: I5fe32e480d8cc372bccae25a0d180210e34075cf

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