coverity#441125 Dereference after null check
coverity#441125 Dereference after null check

Change-Id: Ia8046dc20ff46612ad3ffeba098bee079858e8da

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