bug 636714, fixed bad FK

migrations/153-approvals-cascade.sql

@@ -0,0 +1,8 @@
+ALTER TABLE `approvals`
+    DROP FOREIGN KEY `approvals_ibfk_3`;
+
+ALTER TABLE `approvals` ADD CONSTRAINT `approvals_ibfk_3`
+    FOREIGN KEY `approvals_ibfk_3` (`addon_id`)
+    REFERENCES `addons` (`id`)
+    ON DELETE CASCADE
+