[Web] Fix removal of alias domain

data/web/inc/functions.mailbox.inc.php

@@ -3492,7 +3492,7 @@ function mailbox($_action, $_type, $_data = null, $attr = null) {
               ));
               $stmt = $pdo->prepare("DELETE FROM `bcc_maps` WHERE `local_dest` = :alias_domain");
               $stmt->execute(array(
-                ':domain' => $alias_domain,
+                ':alias_domain' => $alias_domain,
               ));
             }
             catch (PDOException $e) {