Update crypto submodule to a revision with the HAVEGE header changes
diff --git a/crypto b/crypto
index 47f2de1..b6229e3 160000
--- a/crypto
+++ b/crypto
@@ -1 +1 @@
-Subproject commit 47f2de132936905d97a93e2ddf7f5237ab232fbe
+Subproject commit b6229e304e69e672dec653700467c696d32d19ae