Core: apply missed options to sockets added during binary upgrade.

The accept_filter and deferred options were not applied to sockets
that were added to configuration during binary upgrade cycle.

Signed-off-by: Piotr Sikora <piotr@cloudflare.com>

src/core/ngx_cycle.c

diff --git a/src/core/ngx_cycle.c b/src/core/ngx_cycle.c
index eb39ab2..9634519 100644
--- a/src/core/ngx_cycle.c
+++ b/src/core/ngx_cycle.c
@@ -545,6 +545,16 @@
 
             if (nls[n].fd == (ngx_socket_t) -1) {
                 nls[n].open = 1;
+#if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
+                if (nls[n].accept_filter) {
+                    nls[n].add_deferred = 1;
+                }
+#endif
+#if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
+                if (nls[n].deferred_accept) {
+                    nls[n].add_deferred = 1;
+                }
+#endif
             }
         }