[nat] Implement the removal of an access-list.
diff --git a/openbsc/src/nat/bsc_nat_utils.c b/openbsc/src/nat/bsc_nat_utils.c
index ffb37e8..71d5722 100644
--- a/openbsc/src/nat/bsc_nat_utils.c
+++ b/openbsc/src/nat/bsc_nat_utils.c
@@ -443,4 +443,10 @@
 	lst->name = talloc_strdup(lst, name);
 	llist_add(&lst->list, &nat->access_lists);
 	return lst;
+}
+
+void bsc_nat_accs_list_delete(struct bsc_nat_access_list *lst)
+{
+	llist_del(&lst->list);
+	talloc_free(lst);
 }
\ No newline at end of file