Squashed 'third_party/boostorg/container_hash/' content from commit 9fbda1a

Change-Id: I3db45eeb90d6b7e18fb95c2df04c0afc15541790
git-subtree-dir: third_party/boostorg/container_hash
git-subtree-split: 9fbda1a98a32498c52a1c8ebf62311bb36a44ad4
diff --git a/include/boost/functional/hash.hpp b/include/boost/functional/hash.hpp
new file mode 100644
index 0000000..327a3ec
--- /dev/null
+++ b/include/boost/functional/hash.hpp
@@ -0,0 +1,6 @@
+
+// Copyright 2005-2009 Daniel James.
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/container_hash/hash.hpp>