/**
* Size of the CADET message overhead:
- * = sizeof (struct GNUNET_CADET_ConnectionEncryptedMessage)
- * + sizeof (struct GNUNET_CADET_ChannelDataMessage)
+ * = sizeof (struct GNUNET_CADET_TunnelEncryptedMessage)
+ * + sizeof (struct GNUNET_CADET_ChannelAppDataMessage)
* + sizeof (struct GNUNET_CADET_ConnectionEncryptedAckMessage))
*
* Checked for correcteness in gnunet-service-cadet_tunnel.c: GCT_init().