coverity#705007 Explicit null dereferenced
coverity#705007 Explicit null dereferenced

Change-Id: Idc30796f0f5ebb56508339d03d318c8a582eb504

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