Correct the URL of the patch tracker


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10520 a1c6a512-1295-4272-9138-f99709370657
diff --git a/docs/CONTRIBUTING b/docs/CONTRIBUTING
index fb6a633..afe2fc5 100644
--- a/docs/CONTRIBUTING
+++ b/docs/CONTRIBUTING
@@ -63,7 +63,7 @@
 Trim your patches so they only contain relevant changes.
 
 Submit your patch to the project via our patch tracker:
-http://www.rockbox.org/bugs/index.php?type=4
+http://www.rockbox.org/tracker/index.php?type=4
 
 Credits
 -------