# HG changeset patch
# User Matthew Wild <mwild1@gmail.com>
# Date 1275477847 -3600
# Node ID f29a297471e306cd48c7128b5376c41caa688d6a
# Parent  9a29ad6a9b97e7853f543a6fa7a91da07196ec23
util.filters: Don't traceback when trying to remove a filter from an uninitialized object

diff -r 9a29ad6a9b97 -r f29a297471e3 util/filters.lua
--- a/util/filters.lua	Wed Jun 02 12:23:07 2010 +0100
+++ b/util/filters.lua	Wed Jun 02 12:24:07 2010 +0100
@@ -46,6 +46,7 @@
 end
 
 function remove_filter(session, type, callback)
+	if not session.filters then return; end
 	local filter_list = session.filters[type];
 	if filter_list and filter_list[callback] then
 		for i=1, #filter_list do