Match existing type usage better.

webrtc/modules/audio_coding/codecs/ilbc/xcorr_coef.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 37 matching lines @@
 
   /* Initializations, to make sure that the first one is selected */
   crossCorrSqMod_Max=0;
   EnergyMod_Max=WEBRTC_SPL_WORD16_MAX;
   totscale_max=-500;
   maxlag=0;
   pos=0;
 
   /* Find scale value and start position */
   if (step==1) {
-    max=WebRtcSpl_MaxAbsValueW16(regressor, (int16_t)(subl+searchLen-1));
+    max=WebRtcSpl_MaxAbsValueW16(regressor, subl + searchLen - 1);
     rp_beg = regressor;
     rp_end = &regressor[subl];
   } else { /* step==-1 */
-    max=WebRtcSpl_MaxAbsValueW16(&regressor[-searchLen], (int16_t)(subl+searchLen-1));
+    max=WebRtcSpl_MaxAbsValueW16(&regressor[-searchLen], subl + searchLen - 1);
     rp_beg = &regressor[-1];
     rp_end = &regressor[subl-1];
   }
 
   /* Introduce a scale factor on the Energy in int32_t in
      order to make sure that the calculation does not
      overflow */
 
   if (max>5000) {
     shifts=2;
@@ skipping 58 matching lines @@
     pos+=step;
 
     /* Do a +/- to get the next energy */
     Energy += step * ((*rp_end * *rp_end - *rp_beg * *rp_beg) >> shifts);
     rp_beg+=step;
     rp_end+=step;
   }
 
   return(maxlag+offset);
 }