cid#705917 dereference before null check
cid#705917 dereference before null check

Change-Id: Ibceeb719ddd0967fc4b8776dd29da88db89302d6

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