coverity#1266445 Explicit null dereferenced
coverity#1266445 Explicit null dereferenced

Change-Id: I2d62d6972d085fe818ec6767a0660afb010bece8

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