Match existing type usage better.

webrtc/modules/audio_coding/codecs/ilbc/state_construct.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 82 matching lines @@
   /* Set the state to zero */
   WebRtcSpl_MemSetW16(sampleValVec, 0, (LPC_FILTERORDER));
 
   /* Run MA filter + AR filter */
   WebRtcSpl_FilterMAFastQ12(
       sampleVal, sampleMa,
       numerator, LPC_FILTERORDER+1, (int16_t)(len + LPC_FILTERORDER));
   WebRtcSpl_MemSetW16(&sampleMa[len + LPC_FILTERORDER], 0, (len - LPC_FILTERORDER));
   WebRtcSpl_FilterARFastQ12(
       sampleMa, sampleAr,
-      syntDenum, LPC_FILTERORDER+1, (int16_t)(2*len));
+      syntDenum, LPC_FILTERORDER+1, 2 * len);
 
   tmp1 = &sampleAr[len-1];
   tmp2 = &sampleAr[2*len-1];
   tmp3 = Out_fix;
   for(k=0;k<len;k++){
     (*tmp3) = (*tmp1) + (*tmp2);
     tmp1--;
     tmp2--;
     tmp3++;
   }
 }