coverity#1257736 Explicit null dereferenced
coverity#1257736 Explicit null dereferenced

Change-Id: I2cd312255f80e22ead614d0ea12a2130fb8bbeaa

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