coverity#1292910 Dereference after null check
coverity#1292910 Dereference after null check

Change-Id: I5c6b2e603cfada736fcca21d5124c01bfab77831

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