Update tests to use boost/bind/bind.hpp instead of boost/bind.hpp

bind_visitor.cpp

@@ -17,7 +17,7 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 //
 
-#include <boost/bind.hpp>
+#include <boost/bind/bind.hpp>
 #include <boost/ref.hpp>
 
 #if defined(BOOST_MSVC) && (BOOST_MSVC < 1300)
@@ -31,6 +31,8 @@
 #pragma warning(pop)
 #endif
 
+using namespace boost::placeholders;
+
 //
 
 struct visitor