proxy_store and fastcgi_store were changed,
proxy_store_access and fastcgi_store_access were added
diff --git a/src/http/ngx_http_upstream.h b/src/http/ngx_http_upstream.h
index 4ba38ec..b3bb1b4 100644
--- a/src/http/ngx_http_upstream.h
+++ b/src/http/ngx_http_upstream.h
@@ -118,7 +118,7 @@
     size_t                          temp_file_write_size_conf;
 
     ngx_uint_t                      next_upstream;
-    ngx_uint_t                      store;
+    ngx_uint_t                      store_access;
 
     ngx_bufs_t                      bufs;
 
@@ -141,6 +141,10 @@
     ngx_str_t                       location;
     ngx_str_t                       url;  /* used in proxy_rewrite_location */
 
+    ngx_array_t                    *store_lengths;
+    ngx_array_t                    *store_values;
+
+    signed                          store:2;
     unsigned                        intercept_404:1;
     unsigned                        change_buffering:1;