Fix http_client.erl example with active mode

Fix http_client.erl so that the connection is closed and the application can exit after sucessfully
receiving the web page when used with `{active, true}`.

Closes #1842

Signed-off-by: Winford <[email protected]>

Author: UncleGrumpy

examples/erlang/http_client.erl

@@ -52,7 +52,10 @@ loop(Conn) ->
                     ok;
                 {ok, UpdatedConn, Responses} ->
                     io:format("Got: ~p~n", [Responses]),
-                    loop(UpdatedConn);
+                    case maybe_terminate(Responses, UpdatedConn) of
+                        ok -> loop(UpdatedConn);
+                        closed -> ok
+                    end;
                 unknown ->
                     io:format("Unexpected message: ~p~n", [Message]),
                     error