Fix typo, "recieve" -> "receive", in NaCl/SDK code

native_client_sdk/src/examples/tutorial/using_ppapi_simple/example.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Once we load, hide the plugin
 function moduleDidLoad() {
   common.hideModule();
 }
 
 // Called by the common.js module.
 // nacl_io/ppapi_simple generates two different types of messages:
 // - messages from /dev/tty (prefixed with PS_TTY_PREFIX)
 // - exit message (prefixed with PS_EXIT_MESSAGE)
 function handleMessage(message) {
   if (message.data.indexOf("exit:") == 0) {
-    // When we recieve the exit message we post an empty reply back to
+    // When we receive the exit message we post an empty reply back to
     // confirm, at which point the module will exit.
     message.srcElement.postMessage({"exit" : ""});
   } else if (message.data.indexOf("tty:") == 0) {
     common.logMessage(message.data.slice("tty:".length));
   } else {
     console.log("Unhandled message: " + message.data);
   }
 }