coverity#1078484 Unchecked return value
coverity#1078484 Unchecked return value

Change-Id: Ia9ce3d94aa5b825e0b7ba28240f00733332e606c

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