Sizzle: add cross-browser w3c whitespace rules; pseudo generation adjustment

diff --git a/src/sizzle b/src/sizzle
index a45c012a0502bb7363195f1482c1b19f1c49a92f..d8f497c8f3083951813f823796109741aae9d77e 160000 (submodule)
--- a/src/sizzle
+++ b/src/sizzle
@@ -1 +1 @@
-Subproject commit a45c012a0502bb7363195f1482c1b19f1c49a92f
+Subproject commit d8f497c8f3083951813f823796109741aae9d77e