Fix small issue in echo_get example

examples/echo_get/src/toppage_handler.erl

@@ -8,8 +8,8 @@
 init(Req, Opts) ->
 	Method = cowboy_req:method(Req),
 	#{echo := Echo} = cowboy_req:match_qs([echo], Req),
-	Req2 = echo(Method, Echo, Req),
-	{ok, Req2, Opts}.
+	echo(Method, Echo, Req),
+	{ok, Req, Opts}.
 
 echo(<<"GET">>, undefined, Req) ->
 	cowboy_req:reply(400, [], <<"Missing echo parameter.">>, Req);