Fix an SQL error when trying to register

src/pages/install.php

@@ -130,7 +130,7 @@ switch ($step) {
                 `id`                         INT          PRIMARY KEY AUTO_INCREMENT,
                 `email`                      VARCHAR(64)  NOT NULL UNIQUE,
                 `password`                   VARCHAR(128) NOT NULL,
-                `password_reset_token`       VARCHAR(128) NULL     DEFAULT NULL,
+                `password_reset_token`       VARCHAR(128) NULL     NULL,
                 `password_reset_valid_until` DATETIME     NOT NULL DEFAULT NOW(),
                 `last_login`                 DATETIME     NOT NULL DEFAULT NOW(),
                 `power`                      INT          NOT NULL DEFAULT 0,

src/update/0-7-0.sql

@@ -19,3 +19,9 @@ CREATE TABLE `products` (
         REFERENCES `wishes` (`id`)
         ON DELETE CASCADE
 );
+
+/**
+ * Users
+ */
+  ALTER TABLE `users`
+CHANGE COLUMN `password_reset_token` VARCHAR(40) NULL DEFAULT NULL AFTER `password`;