Restored ngx_event_aio_t layout for debug logging. The "fd" field should be after 3 pointers for ngx_event_ident() to use it. This was broken by ccad84a174e0. While it does not seem to be currently used for aio-related events, it should be a good idea to preserve the correct layout nevertheless.

# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


cat << END >> $NGX_AUTO_CONFIG_H

#ifndef $have
#define $have  1
#endif

END