message::body is a member function (API Change):

fix #778

* The body data member is replaced with accessor
  member functions.

Actions Required:

* Call member function message::body instead of accessing
  the data member at call sites.

test/beast/http/dynamic_body.cpp

@@ -66,7 +66,7 @@ public:
         multi_buffer b;
         read(ts, b, p);
         auto const& m = p.get();
-        BEAST_EXPECT(to_string(m.body.data()) == "xyz");
+        BEAST_EXPECT(to_string(m.body().data()) == "xyz");
         BEAST_EXPECT(to_string(m) == s);
     }
 };