GeoIP: not all variable fields were initialized. The ngx_http_geoip_city_float_variable and ngx_http_geoip_city_int_variable functions did not always initialize all variable fields like "not_found", which could lead to empty values for those corresponding nginx variables randomly.

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


cat << END >> $NGX_AUTO_CONFIG_H

#ifndef $ngx_param
#define $ngx_param  $ngx_value
#endif

END