Fixed password change via admin panel

Fixed an error when changing the password through the admin panel, it was impossible to log in

system/library/acpsystem.php

@@ -577,7 +577,7 @@
 
         public static function passwdkey($passwd)
         {
-            return md5(sha1($passwd));
+            return md5($passwd);
         }
 
         public static function mail($name, $text, $mail)