[NaCl SDK] Enable linux host build for nacl_io and nacl_io_tests.

native_client_sdk/src/libraries/nacl_io/event_emitter.cc

-/* Copyright (c) 2013 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.
- */
+// Copyright (c) 2013 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.
+
 #include <assert.h>
 #include <poll.h>
 
 #include "nacl_io/event_emitter.h"
 #include "nacl_io/event_listener.h"
 #include "nacl_io/fifo_interface.h"
 
 #include "sdk_util/auto_lock.h"
 
 namespace nacl_io {
@@ skipping 35 matching lines @@
 
   EventListenerMap_t::iterator it;
   for (it = listeners_.begin(); it != listeners_.end(); it++) {
     uint32_t bits = it->second & event_bits;
     if (0 != bits)
       it->first->ReceiveEvents(this, bits);
   }
 }
 
 }  // namespace nacl_io