Fixing paths so that they pick up the variable for the pepper directory based on version number.

ppapi/api/ppb_audio_config.idl

 /* 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.
  */
 
 /**
  * This file defines the PPB_AudioConfig interface for establishing an
  * audio configuration resource within the browser.
  */
 
@@ skipping 27 matching lines @@
   PP_AUDIOSAMPLERATE_48000 = 48000
 } ;
 
 
 /**
  * The <code>PPB_AudioConfig</code> interface contains pointers to several
  * functions for establishing your audio configuration within the browser.
  * This interface only supports 16-bit stereo output.
  *
  * Refer to the
- * <a href="/chrome/nativeclient/docs/audio.html">Pepper
+ * <a href="/native-client/{{pepperversion}}/devguide/coding/audio">Pepper
  * Audio API</a> for information on using this interface.
  */
 [macro="PPB_AUDIO_CONFIG_INTERFACE"]
 interface PPB_AudioConfig {
   /**
    * CreateStereo16bit() creates a 16 bit audio configuration resource. The
    * <code>sample_rate</code> should be the result of calling
    * <code>RecommendSampleRate</code> and <code>sample_frame_count</code> should
    * be the result of calling <code>RecommendSampleFrameCount</code>. If the
    * sample frame count or bit rate isn't supported, this function will fail and
@@ skipping 147 matching lines @@
    *
    * @return A <code>uint32_t</code> containing the recommended sample frame
    * count if successful.
    */
   [version=1.1]
   PP_AudioSampleRate RecommendSampleRate(
       [in] PP_Instance instance);
 
 };