proxy_store and fastcgi_store

src/http/ngx_http_upstream.h

diff --git a/src/http/ngx_http_upstream.h b/src/http/ngx_http_upstream.h
index b2e3f3e..4ba38ec 100644
--- a/src/http/ngx_http_upstream.h
+++ b/src/http/ngx_http_upstream.h
@@ -118,6 +118,7 @@
     size_t                          temp_file_write_size_conf;
 
     ngx_uint_t                      next_upstream;
+    ngx_uint_t                      store;
 
     ngx_bufs_t                      bufs;
 
@@ -237,6 +238,7 @@
 
     ngx_http_cleanup_pt            *cleanup;
 
+    unsigned                        store:1;
     unsigned                        cachable:1;
     unsigned                        accel:1;