Update Sizzle: fixes failing tests in traversing (FF, Opera, Safari)

diff --git a/src/sizzle b/src/sizzle
index 406b24bc94b826c132669948fb29d39ab4921f49..badbeffba4714432a663f1150d3ffb1e20b6e191 160000 (submodule)
--- a/src/sizzle
+++ b/src/sizzle
@@ -1 +1 @@
-Subproject commit 406b24bc94b826c132669948fb29d39ab4921f49
+Subproject commit badbeffba4714432a663f1150d3ffb1e20b6e191