fix: increment registry count

Author: achingbrain

src/conn.c

@@ -104,6 +104,8 @@ static int acquire_registry(conn_mode_entry_t *entry, udp_socket_config_t *confi
 		registry->agents_count = 0;
 		memset(registry->agents, 0, INITIAL_REGISTRY_SIZE * sizeof(juice_agent_t *));
 
+		registry->port = config->port_begin;
+
 		mutex_init(&registry->mutex, MUTEX_RECURSIVE);
 		mutex_lock(&registry->mutex);
 
@@ -143,10 +145,9 @@ static int acquire_registry(conn_mode_entry_t *entry, udp_socket_config_t *confi
 			memset(entry->registries + i, 0, (new_size - i) * sizeof(conn_registry_t *));
 		}
 
-		registry->index = i;
-		registry->port = config->port_begin;
-
 		entry->registries[i] = registry;
+		registry->index = i;
+		++entry->registries_count;
 	} else {
 		mutex_lock(&registry->mutex);
 	}
@@ -161,6 +162,7 @@ static void release_registry(conn_mode_entry_t *entry, conn_registry_t *registry
 		return;
 
 	// registry must be locked
+
 	if (registry->agents_count == 0 && registry->cb_mux_incoming == NULL) {
 		JLOG_DEBUG("No connection left, destroying connections registry");
 		mutex_unlock(&registry->mutex);