coverity#735953 Dereference after null check
coverity#735953 Dereference after null check

Change-Id: Id69a568f404ce689f9e9accf7c9f237b51fe391d

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