XEP-0114: external component authentication

New API xmpp_connect_component() introduced.

src/common.h

@@ -264,6 +264,7 @@ void disconnect_mem_error(xmpp_conn_t * const conn);
 
 /* auth functions */
 void auth_handle_open(xmpp_conn_t * const conn);
+void auth_handle_component_open(xmpp_conn_t * const conn);
 
 /* replacement snprintf and vsnprintf */
 int xmpp_snprintf (char *str, size_t count, const char *fmt, ...);