Update audio code to use size_t more correctly,

webrtc/modules/audio_coding/neteq/random_vector.h

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_MODULES_AUDIO_CODING_NETEQ_RANDOM_VECTOR_H_
 #define WEBRTC_MODULES_AUDIO_CODING_NETEQ_RANDOM_VECTOR_H_
 
 #include <string.h>  // size_t
 
 #include "webrtc/base/constructormagic.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 
 // This class generates pseudo-random samples.
 class RandomVector {
  public:
-  static const int kRandomTableSize = 256;
+  static const size_t kRandomTableSize = 256;
   static const int16_t kRandomTable[kRandomTableSize];
 
   RandomVector()
       : seed_(777),
         seed_increment_(1) {
   }
 
   void Reset();
 
   void Generate(size_t length, int16_t* output);
 
   void IncreaseSeedIncrement(int16_t increase_by);
 
   // Accessors and mutators.
   int16_t seed_increment() { return seed_increment_; }
   void set_seed_increment(int16_t value) { seed_increment_ = value; }
 
  private:
   uint32_t seed_;
   int16_t seed_increment_;
 
   DISALLOW_COPY_AND_ASSIGN(RandomVector);
 };
 
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_AUDIO_CODING_NETEQ_RANDOM_VECTOR_H_