Configure: help updated to list upstream keepalive and least_conn.
Patch by Joshua Zhu.
diff --git a/auto/options b/auto/options
index 191d6c8..a75bead 100644
--- a/auto/options
+++ b/auto/options
@@ -388,6 +388,10 @@
--without-http_browser_module disable ngx_http_browser_module
--without-http_upstream_ip_hash_module
disable ngx_http_upstream_ip_hash_module
+ --without-http_upstream_least_conn_module
+ disable ngx_http_upstream_least_conn_module
+ --without-http_upstream_keepalive_module
+ disable ngx_http_upstream_keepalive_module
--with-http_perl_module enable ngx_http_perl_module
--with-perl_modules_path=PATH set Perl modules path
