coverity#705833 Dereference before null check
coverity#705833 Dereference before null check

Change-Id: I6532774fb78c1d2cf293163c3bf99e0c52770b65

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