Added propagation of the "wildcard" flag to c->listening.

The flags was originally added by 8f038068f4bc, and is propagated correctly
in the stream module.  With QUIC introduction, http module now uses datagram
sockets as well, thus the fix.

src/http/ngx_http.c

@@ -1795,6 +1795,8 @@ ngx_http_add_listening(ngx_conf_t *cf, ngx_http_conf_addr_t *addr)
     ls->reuseport = addr->opt.reuseport;
 #endif
 
+    ls->wildcard = addr->opt.wildcard;
+
     return ls;
 }