Realip: fixed uninitialized memory access. Previously, the realip module could be left with uninitialized context after an error in the ngx_http_realip_set_addr() function. That context could be later accessed by $realip_remote_addr and $realip_remote_port variable handlers.

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


cat << END >> $NGX_AUTO_CONFIG_H

#ifndef $have
#define $have  $value
#endif

END