Merged revision(s) 81900-81901 from trunk:

Replace use of BOOST_HAS_RVALUE_REFS with !BOOST_NO_CXX11_RVALUE_REFERENCES.
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Replace use of BOOST_HAS_VARIADIC_TMPL with !BOOST_NO_CXX11_VARIADIC_TEMPLATES.
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[SVN r81979]

libs/smart_ptr

@@ -1 +1 @@
-Subproject commit 6a218a5ef244bbb4d809a26ea6878e4dbdcdb28d
+Subproject commit 5ba33125190c4458b9f8d34af820428f5d0cee99