*/
void
-rf_change_domain(address_item *addr, uschar *domain, BOOL rewrite,
+rf_change_domain(address_item *addr, const uschar *domain, BOOL rewrite,
address_item **addr_new)
{
address_item *parent = store_get(sizeof(address_item));
up the new fields. */
*addr = address_defaults;
-addr->p = parent->p;
+addr->prop = parent->prop;
addr->address = address;
addr->unique = string_copy(address);