coverity#982762 Dereference NULL
coverity#982762 Dereference NULL

Change-Id: I9da66fe9cf279231d6024f23fbb273797b289ba7

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