fix for wp_login action not passing in the 2nd parameter 
http://wordpress.org/support/topic/two-factor-authentication-links-are-broken-conflict-w-login-security-solution?replies=3#post-5739593

git-svn-id: https://plugins.svn.wordpress.org/wp-simple-firewall/trunk@940773 b8457f37-d9ea-0310-8a92-e5e31aec5664