}
#ifdef USE_CURL_MULTI
-int fill_active_slot(void)
+static int fill_active_slot(void *unused)
{
struct transfer_request *request = request_queue_head;
objects_to_send);
#ifdef USE_CURL_MULTI
fill_active_slots();
+ add_fill_function(NULL, fill_active_slot);
#endif
finish_all_active_slots();