Release virtual IPs with the same identity as we acquired it

src/libcharon/sa/ike_sa.h

@@ -359,6 +359,13 @@ struct ike_sa_t {
 	 */
 	identification_t* (*get_other_id) (ike_sa_t *this);
 
+	/**
+	 * Get the others peer identity, but prefer an EAP-Identity.
+	 *
+	 * @return				EAP or IKEv2 identity
+	 */
+	identification_t* (*get_other_eap_id)(ike_sa_t *this);
+
 	/**
 	 * Set the other peer's identification.
 	 *