coverity#735933 Explicit null dereferenced
coverity#735933 Explicit null dereferenced

Change-Id: If1b1d5a5b701fe8b1faba97d52ff3bcd0da91747

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