Update audio code to use size_t more correctly,

webrtc/modules/audio_coding/codecs/ilbc/get_sync_seq.c

 /*
  *  Copyright (c) 2011 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 13 matching lines @@
 /*----------------------------------------------------------------*
  * get the pitch-synchronous sample sequence
  *---------------------------------------------------------------*/
 
 void WebRtcIlbcfix_GetSyncSeq(
     int16_t *idata,   /* (i) original data */
     int16_t idatal,   /* (i) dimension of data */
     int16_t centerStartPos, /* (i) where current block starts */
     int16_t *period,   /* (i) rough-pitch-period array       (Q-2) */
     int16_t *plocs,   /* (i) where periods of period array are taken (Q-2) */
-    int16_t periodl,   /* (i) dimension period array */
+    size_t periodl,   /* (i) dimension period array */
     int16_t hl,    /* (i) 2*hl+1 is the number of sequences */
     int16_t *surround  /* (i/o) The contribution from this sequence
                                 summed with earlier contributions */
                               ){
-  int16_t i,centerEndPos,q;
+  size_t i;
+  int16_t centerEndPos,q;
   /* Stack based */
   int16_t lagBlock[2*ENH_HL+1];
   int16_t blockStartPos[2*ENH_HL+1]; /* Defines the position to search around (Q2) */
   int16_t plocs2[ENH_PLOCSL];
 
   centerEndPos=centerStartPos+ENH_BLOCKL-1;
 
   /* present (find predicted lag from this position) */
 
   WebRtcIlbcfix_NearestNeighbor(lagBlock + hl,
@@ skipping 53 matching lines @@
       WebRtcIlbcfix_Refiner(blockStartPos+q, idata, idatal,
                             centerStartPos,blockStartPos[q],surround,WebRtcIlbcfix_kEnhWt[2*hl-q]);
 
     }
     else {
       /* Don't add anything since this sequence would
          be outside the buffer */
     }
   }
 }