Make tls_new accept xmpp_conn_t

src/tls_dummy.c

@@ -33,7 +33,7 @@ void tls_shutdown(void)
     return;
 }
 
-tls_t *tls_new(xmpp_ctx_t *ctx, sock_t sock)
+tls_t *tls_new(xmpp_conn_t *conn)
 {
     /* always fail */
     return NULL;