rem: str_t * rls_get_package(rl_subscription_t *s)
add: str_t * rls_get_uri(rl_subscription_t *s)
context: str_t * rls_get_package(rl_subscription_t *s){	static str presence = STR_STATIC_INIT("presence");		if (!s) return NULL;		if (s->type == rls_external_subscription)		return &((s)->external.package);	else return &presence;	return NULL;}