go.net/websocket: fix server and client examples

Fix import path, and remove some unnecessary semicolons.

R=golang-dev, dave, adg
CC=golang-dev
https://golang.org/cl/6506068
diff --git a/websocket/examplehandler_test.go b/websocket/examplehandler_test.go
new file mode 100644
index 0000000..47b0bb9
--- /dev/null
+++ b/websocket/examplehandler_test.go
@@ -0,0 +1,26 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package websocket_test
+
+import (
+	"io"
+	"net/http"
+
+	"code.google.com/p/go.net/websocket"
+)
+
+// Echo the data received on the WebSocket.
+func EchoServer(ws *websocket.Conn) {
+	io.Copy(ws, ws)
+}
+
+// This example demonstrates a trivial echo server.
+func ExampleHandler() {
+	http.Handle("/echo", websocket.Handler(EchoServer))
+	err := http.ListenAndServe(":12345", nil)
+	if err != nil {
+		panic("ListenAndServe: " + err.Error())
+	}
+}