coverity#735850 Dereference after null check
coverity#735850 Dereference after null check

Change-Id: If164a92ed502502ce1b25ecddaa8852e83eb4f3c

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