coverity#705035 Explicit null dereferenced
coverity#705035 Explicit null dereferenced

Change-Id: I92e43c2c325fc9a2f3d0154090fb076dad589868

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