From f9c6e8277bdc24332606117f4a9bd8e836a4fda6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Lucas?= <sebastien@slucas.fr>
Date: Tue, 26 Mar 2013 20:58:29 +0100
Subject: [PATCH] getFilterString should be static. Reported by Goner

---
 book.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/book.php b/book.php
index 8c8b9b8..c0a5baa 100644
--- a/book.php
+++ b/book.php
@@ -118,7 +118,7 @@ class Book extends Base {
         return $this->authors;
     }
     
-    public function getFilterString () {
+    public static function getFilterString () {
         $filter = getURLParam ("tag", NULL);
         if (empty ($filter)) return "";