fix: allow adviser message was not allowing cookies to be sent

fix: cookie deletion on logout uses ini_get (on some systems
ini_set(cookie_path) is ignored)

bug 322: locked category is visible to all the users/groups that have been
assigned the permissions

git-svn-id: http://piwigo.org/svn/trunk@1117 68402e56-0260-453c-a942-63ccdbb3a9ee

index.php

@@ -44,7 +44,7 @@ if ( isset( $_GET['act'] )
   $_SESSION = array();
   session_unset();
   session_destroy();
-  setcookie(session_name(),'',0, cookie_path() );
+  setcookie(session_name(),'',0, ini_get('session.cookie_path') );
   redirect( make_index_url() );
 }