coverity#1267679 Dereference before null check
coverity#1267679 Dereference before null check

Change-Id: Ic3487f204a0a3f826cf6a2441b5c410a8fc1b0b6

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