I see no option on the admin panel for users to unblock your user account. From what I gathered by browsing Drupal FAQ you will have to wait 6 hours for it to be unblocked. The only other way is running a query on the database to remove the failed log-in tries which only Blake can do. Sorry about that.
Blake, if you are reading this: http://drupal.org/node/1023440
Blake, if you are reading this: http://drupal.org/node/1023440