Minor, whitespace

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

src/io.c

@@ -60,7 +60,6 @@ int uev_io_init(uev_ctx_t *ctx, uev_t *w, uev_cb_t *cb, void *arg, int fd, int e
  */
 int uev_io_set(uev_t *w, int fd, int events)
 {
-
 	if ((events & UEV_ONESHOT) && _uev_watcher_active(w))
 		return _uev_watcher_rearm(w);