./configure: renamed the --without-http_limit_zone_module option to --without-http_limit_conn_module to reflect the change in recent nginx cores. thanks Seyhun Cavus for the report.

t/sanity.t

@@ -135,7 +135,7 @@ Options directly inherited from nginx
   --without-http_uwsgi_module        disable ngx_http_uwsgi_module
   --without-http_scgi_module         disable ngx_http_scgi_module
   --without-http_memcached_module    disable ngx_http_memcached_module
-  --without-http_limit_zone_module   disable ngx_http_limit_zone_module
+  --without-http_limit_conn_module   disable ngx_http_limit_conn_module
   --without-http_limit_req_module    disable ngx_http_limit_req_module
   --without-http_empty_gif_module    disable ngx_http_empty_gif_module
   --without-http_browser_module      disable ngx_http_browser_module
@@ -975,7 +975,7 @@ Options directly inherited from nginx
   --without-http_uwsgi_module        disable ngx_http_uwsgi_module
   --without-http_scgi_module         disable ngx_http_scgi_module
   --without-http_memcached_module    disable ngx_http_memcached_module
-  --without-http_limit_zone_module   disable ngx_http_limit_zone_module
+  --without-http_limit_conn_module   disable ngx_http_limit_conn_module
   --without-http_limit_req_module    disable ngx_http_limit_req_module
   --without-http_empty_gif_module    disable ngx_http_empty_gif_module
   --without-http_browser_module      disable ngx_http_browser_module

util/configure

@@ -1031,7 +1031,7 @@ Options directly inherited from nginx
   --without-http_uwsgi_module        disable ngx_http_uwsgi_module
   --without-http_scgi_module         disable ngx_http_scgi_module
   --without-http_memcached_module    disable ngx_http_memcached_module
-  --without-http_limit_zone_module   disable ngx_http_limit_zone_module
+  --without-http_limit_conn_module   disable ngx_http_limit_conn_module
   --without-http_limit_req_module    disable ngx_http_limit_req_module
   --without-http_empty_gif_module    disable ngx_http_empty_gif_module
   --without-http_browser_module      disable ngx_http_browser_module