Insert missing short-circuit return.
Insert missing short-circuit return.

donpark/RKNotificationHub,zhangxigithub/RKNotificationHub,JackLeeMing/RKNotificationHub,zhouwude/RKNotificationHub,alexfeng/RKNotificationHub,gaurav1981/RKNotificationHub,AlexanderMazaletskiy/RKNotificationHub,hulu001/RKNotificationHub,hanhailong/RKNotificationHub,cwRichardKim/RKNotificationHub,Kevin775263419/RKNotificationHub,alvincrisuy/RKNotificationHub,cloudjanak/RKNotificationHub