Empty breadcrumbs on logout (see FS#979)

darcs-hash:20081011161458-19e2d-97001154886654be84d70b1b140743b124a1c763.gz

inc/actions.php

@@ -383,7 +383,7 @@ function act_auth($act){
     // rebuild info array
     $INFO = pageinfo();
 
-    return 'login';
+    act_redirect($ID,'login');
   }
 
   return $act;

inc/auth.php

@@ -290,6 +290,8 @@ function auth_logoff(){
     unset($_SESSION[DOKU_COOKIE]['auth']['pass']);
   if(isset($_SESSION[DOKU_COOKIE]['auth']['info']))
     unset($_SESSION[DOKU_COOKIE]['auth']['info']);
+  if(isset($_SESSION[DOKU_COOKIE]['bc']))
+    unset($_SESSION[DOKU_COOKIE]['bc']);
   if(isset($_SERVER['REMOTE_USER']))
     unset($_SERVER['REMOTE_USER']);
   $USERINFO=null; //FIXME