phpMyAdmin problem after update from RC4 to RC5

[Solvik]

Quote:/* Servers configuration */
$i = 0;

/* Server 1 (cookie) [1] */
$i++;

/* Authentication type */
$cfg['Servers'][$i]['auth_type'] = 'cookie';
/* Parameters set by ispCP */
$cfg['Servers'][$i]['user'] = $_POST['pma_username'];
$cfg['Servers'][$i]['password'] = $_POST['pma_password'];
/* Server parameters */
$cfg['Servers'][$i]['host'] = '{HOSTNAME}';
$cfg['Servers'][$i]['port'] = '3306';
$cfg['Servers'][$i]['connect_type'] = 'tcp';
$cfg['Servers'][$i]['socket'] = '/var/run/mysqld/mysqld.sock';
$cfg['Servers'][$i]['compress'] = true;
/* Select mysqli if your server has it */
$cfg['Servers'][$i]['extension'] = 'mysql';
/* User for advanced features */
$cfg['Servers'][$i]['controluser'] = '{PMA_USER}';
$cfg['Servers'][$i]['controlpass'] = '{PMA_PASS}';
/* Advanced phpMyAdmin features */
//$cfg['Servers'][$i]['pmadb'] = 'phpmyadmin';
$cfg['Servers'][$i]['bookmarktable'] = 'pma_bookmark';
$cfg['Servers'][$i]['relation'] = 'pma_relation';
$cfg['Servers'][$i]['table_info'] = 'pma_table_info';
$cfg['Servers'][$i]['table_coords'] = 'pma_table_coords';
$cfg['Servers'][$i]['pdf_pages'] = 'pma_pdf_pages';
$cfg['Servers'][$i]['column_info'] = 'pma_column_info';
$cfg['Servers'][$i]['history'] = 'pma_history';
$cfg['Servers'][$i]['designer_coords'] = 'pma_designer_coords';
$cfg['Servers'][$i]['hide_db'] = '(information_schema|phpmyadmin|mysql)';
/* Name of the Server displayed */
/*$cfg['Servers'][$i]['verbose'] = 'mysql.myserver.com';*/ // reactivate if domain is set in SETUP
$cfg['Servers'][$i]['SignonSession'] = 'ispCP';

I have just replaced {HOSTNAME} by localhost. And it works.
thanks for the info