Update Sizzle: Size optimizations from gibson

diff --git a/src/sizzle b/src/sizzle
index 6000d5b3a7d8ca11849b5360ccff46c2219b2144..2ae520aa9b7fdc18798df25948191dae69e33ace 160000 (submodule)
--- a/src/sizzle
+++ b/src/sizzle
@@ -1 +1 @@
-Subproject commit 6000d5b3a7d8ca11849b5360ccff46c2219b2144
+Subproject commit 2ae520aa9b7fdc18798df25948191dae69e33ace