coverity#983370 Dereference before null check
coverity#983370 Dereference before null check

Change-Id: I524ce73811f32b7da38ef127ee4633a2c6a9f933

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