[Plugin: Login LockDown] WordPress Version 3.3.1 – get_userdatabylogin is deprecated

if you see
get_userdatabylogin is deprecated since version 3.3! Use get_user_by(‘login’) instead

Change:
get_userdatabylogin($username);
in
get_user_by('login',$username);

in loginlockdown.php

http://ww.wp.xz.cn/extend/plugins/login-lockdown/