cid#736797 dereference before null check
cid#736797 dereference before null check

Change-Id: Ib279f66fcc349c75d7b3d26ba80356eea1697295

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