Update a ton of audio code to use size_t more correctly and in general reduce

webrtc/modules/audio_coding/codecs/isac/fix/source/pitch_estimator.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.
  */
 
@@ skipping 21 matching lines @@
 
 void WebRtcIsacfix_PitchFilter(int16_t *indatFix,
                                int16_t *outdatQQ,
                                PitchFiltstr *pfp,
                                int16_t *lagsQ7,
                                int16_t *gainsQ12,
                                int16_t type);
 
 void WebRtcIsacfix_PitchFilterCore(int loopNumber,
                                    int16_t gain,
-                                   int index,
+                                   size_t index,
                                    int16_t sign,
                                    int16_t* inputState,
                                    int16_t* outputBuff2,
                                    const int16_t* coefficient,
                                    int16_t* inputBuf,
                                    int16_t* outputBuf,
                                    int* index2);
 
 void WebRtcIsacfix_PitchFilterGains(const int16_t *indatQ0,
                                     PitchFiltstr *pfp,
                                     int16_t *lagsQ7,
                                     int16_t *gainsQ12);
 
 void WebRtcIsacfix_DecimateAllpass32(const int16_t *in,
                                      int32_t *state_in,        /* array of size: 2*ALLPASSSECTIONS+1 */
                                      int16_t N,                   /* number of input samples */
                                      int16_t *out);             /* array of size N/2 */
 
 int32_t WebRtcIsacfix_Log2Q8( uint32_t x );
 
 void WebRtcIsacfix_PCorr2Q32(const int16_t* in, int32_t* logcorQ8);
 
 #endif /* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_PITCH_ESTIMATOR_H_ */