redirect to home after logging in using login url

mod/login.php

@@ -3,6 +3,8 @@
 function login_content(&$a) {
 	if(x($_SESSION,'theme'))
 		unset($_SESSION['theme']);
+	if(local_user())
+		goaway(z_root());
 	return login(($a->config['register_policy'] == REGISTER_CLOSED) ? false : true);
 
 }