--- /dev/null
+diff -Naur src/http/ngx_http_upstream.h src-hash/http/ngx_http_upstream.h
+--- src/http/ngx_http_upstream.h 2008-03-03 12:04:06.000000000 -0800
++++ src-hash/http/ngx_http_upstream.h 2008-06-07 13:01:37.000000000 -0700
+@@ -90,6 +90,10 @@
+
+ ngx_array_t *servers; /* ngx_http_upstream_server_t */
+
++ ngx_array_t *values;
++ ngx_array_t *lengths;
++ ngx_uint_t retries;
++
+ ngx_uint_t flags;
+ ngx_str_t host;
+ u_char *file_name;