Update sizzle.

diff --git a/src/sizzle b/src/sizzle
index 2f96e523f77c69fa99138e49d923c44c9bdfae51..481721493a0592f55bb369b136bcdf4a1c4a6d10 160000 (submodule)
--- a/src/sizzle
+++ b/src/sizzle
@@ -1 +1 @@
-Subproject commit 2f96e523f77c69fa99138e49d923c44c9bdfae51
+Subproject commit 481721493a0592f55bb369b136bcdf4a1c4a6d10