coverity#1158249 Dereference before null check
coverity#1158249 Dereference before null check

Change-Id: I884ad35de8c067671ddd5143b2dc4af784cabe0c

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