coverity#1169843 Dereference before null check
coverity#1169843 Dereference before null check

Change-Id: I9e13a63ce78f317b35a7a374a2fd1ed699915944

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