coverity#1158202 Dereference null return value
coverity#1158202 Dereference null return value

Change-Id: I7a39b28cd295d0ab2dd4ba54fd9ff312f89764b7

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