Match existing type usage better.

webrtc/modules/audio_coding/codecs/ilbc/my_corr.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 28 matching lines @@
   scale=WebRtcSpl_GetSizeInBits(max);
 
   scale = 2 * scale - 26;
   if (scale<0) {
     scale=0;
   }
 
   loops=dim1-dim2+1;
 
   /* Calculate the cross correlations */
-  WebRtcSpl_CrossCorrelation(corr, (int16_t*)seq2, seq1, dim2, loops, scale, 1);
+  WebRtcSpl_CrossCorrelation(corr, seq2, seq1, dim2, loops, scale, 1);
 
   return;
 }