Ticket #1487823: same-password.patch

password.php

@@ -204 +204 @@
 
     private function _save($curpass, $passwd)
     {
+        if ($curpass == $passwd)
+            return;
+
         $config = rcmail::get_instance()->config;
         $driver = $this->home.'/drivers/'.$config->get('password_driver', 'sql').'.php';