style fix

src/http/ngx_http_upstream.h

diff --git a/src/http/ngx_http_upstream.h b/src/http/ngx_http_upstream.h
index 8f30b6e..748e064 100644
--- a/src/http/ngx_http_upstream.h
+++ b/src/http/ngx_http_upstream.h
@@ -162,7 +162,7 @@
 
 #if (NGX_HTTP_SSL)
     ngx_ssl_t                       *ssl;
-    ngx_flag_t                      ssl_session_reuse;
+    ngx_flag_t                       ssl_session_reuse;
 #endif
 
 } ngx_http_upstream_conf_t;