ngx_http_limit_zone_module must run after ngx_http_realip_module

auto/modules

diff --git a/auto/modules b/auto/modules
index 7d5c162..a298210 100644
--- a/auto/modules
+++ b/auto/modules
@@ -169,6 +169,11 @@
     HTTP_SRCS="$HTTP_SRCS $HTTP_ACCESS_SRCS"
 fi
 
+if [ $HTTP_LIMIT_ZONE = YES ]; then
+    HTTP_MODULES="$HTTP_MODULES $HTTP_LIMIT_ZONE_MODULE"
+    HTTP_SRCS="$HTTP_SRCS $HTTP_LIMIT_ZONE_SRCS"
+fi
+
 if [ $HTTP_REALIP = YES ]; then
     have=NGX_HTTP_REALIP . auto/have
     HTTP_MODULES="$HTTP_MODULES $HTTP_REALIP_MODULE"
@@ -240,11 +245,6 @@
     HTTP_SRCS="$HTTP_SRCS $HTTP_MEMCACHED_SRCS"
 fi
 
-if [ $HTTP_LIMIT_ZONE = YES ]; then
-    HTTP_MODULES="$HTTP_MODULES $HTTP_LIMIT_ZONE_MODULE"
-    HTTP_SRCS="$HTTP_SRCS $HTTP_LIMIT_ZONE_SRCS"
-fi
-
 if [ $HTTP_EMPTY_GIF = YES ]; then
     HTTP_MODULES="$HTTP_MODULES $HTTP_EMPTY_GIF_MODULE"
     HTTP_SRCS="$HTTP_SRCS $HTTP_EMPTY_GIF_SRCS"