osmo-epdg: UE: use .refcount = 1 instead of ref_get() in the constructor

src/libcharon/plugins/osmo_epdg/osmo_epdg_db.c

@@ -77,8 +77,8 @@ METHOD(osmo_epdg_db_t, create_subscriber, osmo_epdg_ue_t *,
 		return NULL;
 	}
 
+	/* UE comes with refcount = 1 */
 	this->subscribers_imsi->put(this->subscribers_imsi, ue->get_imsi(ue), ue);
-
 	ue->get(ue);
 	this->lock->unlock(this->lock);
 	return ue;

src/libcharon/plugins/osmo_epdg/osmo_epdg_ue.c

@@ -162,8 +162,8 @@ osmo_epdg_ue_t *osmo_epdg_ue_create(uint32_t id, char *imsi)
 	     .id = id,
 	     .lock = rwlock_create(RWLOCK_TYPE_DEFAULT),
 	     .state = UE_WAIT_LOCATION_UPDATE,
+	     .refcount = 1,
 	     );
-	ref_get(&this->refcount);
 
 	return &this->public;
 }