Update Sizzle: minor selector issues

diff --git a/src/sizzle b/src/sizzle
index 853c272575c692b39d4f9ea10f3f808696d1a574..88a598b70da6acddbdbf695b605e03a77982b3d6 160000 (submodule)
--- a/src/sizzle
+++ b/src/sizzle
@@ -1 +1 @@
-Subproject commit 853c272575c692b39d4f9ea10f3f808696d1a574
+Subproject commit 88a598b70da6acddbdbf695b605e03a77982b3d6