Fix return cast
Fix return cast

vmolsa/webrtc-native,vmolsa/webrtc-native,vmolsa/webrtc-native,sukinull/webrtc-native,sukinull/webrtc-native,sukinull/webrtc-native,sukinull/webrtc-native,vmolsa/webrtc-native,vmolsa/webrtc-native,sukinull/webrtc-native