fixed typo in model

models/Ticket589.php

@@ -1,10 +1,12 @@
 <?php
 class Ticket589 extends Doctrine_Record {
 
+    public function prepareTables(){}
+
     public function setTableDefinition() {
         $this->hasColumn('id', 'integer', 4, array('notnull' => true,
             'primary' => true,
-            'unsigned' > true,
+            'unsigned' => true,
             'autoincrement' => true));
         $this->hasColumn('name', 'string',50);
     }