Sizzle: add support for :lang selector

diff --git a/src/sizzle b/src/sizzle
index 5891382942953178b3a1443697fdffdd3f4eea3d..5d088c78aacad817b5ed5cf8740a0dd56fe68225 160000 (submodule)
--- a/src/sizzle
+++ b/src/sizzle
@@ -1 +1 @@
-Subproject commit 5891382942953178b3a1443697fdffdd3f4eea3d
+Subproject commit 5d088c78aacad817b5ed5cf8740a0dd56fe68225