Update Sizzle: regex cleanup

diff --git a/src/sizzle b/src/sizzle
index 2981071a2e6046bb9bb3d4d80d94ef42f8380b11..2e9e0a25ee04d63dab94ffe25d7adedd8d241f51 160000 (submodule)
--- a/src/sizzle
+++ b/src/sizzle
@@ -1 +1 @@
-Subproject commit 2981071a2e6046bb9bb3d4d80d94ef42f8380b11
+Subproject commit 2e9e0a25ee04d63dab94ffe25d7adedd8d241f51