Update audio code to use size_t more correctly,

webrtc/modules/audio_coding/codecs/ilbc/cb_search_core.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.
  */
 
 /******************************************************************
 
  iLBC Speech Coder ANSI-C Source Code
 
  WebRtcIlbcfix_CbSearchCore.c
 
 ******************************************************************/
 
 #include "defines.h"
 #include "constants.h"
 
 void WebRtcIlbcfix_CbSearchCore(
     int32_t *cDot,    /* (i) Cross Correlation */
-    int16_t range,    /* (i) Search range */
+    size_t range,    /* (i) Search range */
     int16_t stage,    /* (i) Stage of this search */
     int16_t *inverseEnergy,  /* (i) Inversed energy */
     int16_t *inverseEnergyShift, /* (i) Shifts of inversed energy
                                            with the offset 2*16-29 */
     int32_t *Crit,    /* (o) The criteria */
-    int16_t *bestIndex,   /* (o) Index that corresponds to
+    size_t *bestIndex,   /* (o) Index that corresponds to
                                                    maximum criteria (in this
                                                    vector) */
     int32_t *bestCrit,   /* (o) Value of critera for the
                                                    chosen index */
     int16_t *bestCritSh)   /* (o) The domain of the chosen
                                                    criteria */
 {
   int32_t maxW32, tmp32;
   int16_t max, sh, tmp16;
-  int i;
+  size_t i;
   int32_t *cDotPtr;
   int16_t cDotSqW16;
   int16_t *inverseEnergyPtr;
   int32_t *critPtr;
   int16_t *inverseEnergyShiftPtr;
 
   /* Don't allow negative values for stage 0 */
   if (stage==0) {
     cDotPtr=cDot;
     for (i=0;i<range;i++) {
@@ skipping 45 matching lines @@
     /* Guarantee that the shift value is less than 16
        in order to simplify for DSP's (and guard against >31) */
     tmp16 = WEBRTC_SPL_MIN(16, max-(*inverseEnergyShiftPtr));
 
     (*critPtr)=WEBRTC_SPL_SHIFT_W32((*critPtr),-tmp16);
     critPtr++;
     inverseEnergyShiftPtr++;
   }
 
   /* Find the index of the best value */
-  *bestIndex = WebRtcSpl_MaxIndexW32(Crit, range);
+  *bestIndex = (size_t)WebRtcSpl_MaxIndexW32(Crit, range);
   *bestCrit = Crit[*bestIndex];
 
   /* Calculate total shifts of this criteria */
   *bestCritSh = 32 - 2*sh + max;
 
   return;
 }