nginx-0.3.33-RELEASE import

    *) Feature: the "http_503" parameter of the "proxy_next_upstream" or
       "fastcgi_next_upstream" directives.

    *) Bugfix: ngx_http_perl_module did not work with inlined in the
       configuration code, if it was not started with the "sub" word.

    *) Bugfix: in the "post_action" directive.
diff --git a/src/http/modules/ngx_http_proxy_module.c b/src/http/modules/ngx_http_proxy_module.c
index 34e6dd1..e8d3107 100644
--- a/src/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -121,6 +121,7 @@
     { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT },
     { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER },
     { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 },
+    { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 },
     { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 },
     { ngx_null_string, 0 }
 };