Fixed a php warning.

tbrehm

2013-02-27 0c7569a4164ed5fcbf914aef1b0af0990979a051

Fixed a php warning.

 install/update.php

@@ -129,7 +129,7 @@
if($do_backup == 'yes') {
    
    //* Create the backup directory
    $backup_path = '/var/backup/ispconfig_'.date('Y-m-d_H-i');
    $backup_path = '/var/backup/ispconfig_'.@date('Y-m-d_H-i');
    $conf['backup_path'] = $backup_path;
    exec("mkdir -p $backup_path");
    exec("chown root:root $backup_path");