add skip 0.0.0.0 to wan.auto

src/switch_core.c

@@ -1217,6 +1217,7 @@ SWITCH_DECLARE(void) switch_load_network_lists(switch_bool_t reload)
 	tmp_name = "wan.auto";
 	switch_network_list_create(&rfc_list, tmp_name, SWITCH_TRUE, IP_LIST.pool);
 	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Created ip list %s default (allow)\n", tmp_name);
+	switch_network_list_add_cidr(rfc_list, "0.0.0.0/8", SWITCH_FALSE);
 	switch_network_list_add_cidr(rfc_list, "10.0.0.0/8", SWITCH_FALSE);
 	switch_network_list_add_cidr(rfc_list, "172.16.0.0/12", SWITCH_FALSE);
 	switch_network_list_add_cidr(rfc_list, "192.168.0.0/16", SWITCH_FALSE);