Match existing type usage better.

webrtc/modules/audio_coding/codecs/ilbc/frame_classify.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 44 matching lines @@
   /* Calculate energies */
   ssqPtr=residualFIX + 2;
   seqEnPtr=ssqEn;
   for (n=(iLBCenc_inst->nsub-1); n>0; n--) {
     (*seqEnPtr) = WebRtcSpl_DotProductWithScale(ssqPtr, ssqPtr, 76, scale1);
     ssqPtr += 40;
     seqEnPtr++;
   }
 
   /* Scale to maximum 20 bits in order to allow for the 11 bit window */
-  maxW32 = WebRtcSpl_MaxValueW32(ssqEn, (int16_t)(iLBCenc_inst->nsub-1));
+  maxW32 = WebRtcSpl_MaxValueW32(ssqEn, iLBCenc_inst->nsub - 1);
   scale = WebRtcSpl_GetSizeInBits(maxW32) - 20;
   scale1 = WEBRTC_SPL_MAX(0, scale);
 
   /* Window each 80 block with the ssqEn_winTbl window to give higher probability for
      the blocks in the middle
   */
   seqEnPtr=ssqEn;
   if (iLBCenc_inst->mode==20) {
     ssqPtr=(int16_t*)WebRtcIlbcfix_kStartSequenceEnrgWin+1;
   } else {
     ssqPtr=(int16_t*)WebRtcIlbcfix_kStartSequenceEnrgWin;
   }
   for (n=(iLBCenc_inst->nsub-1); n>0; n--) {
     (*seqEnPtr)=WEBRTC_SPL_MUL(((*seqEnPtr)>>scale1), (*ssqPtr));
     seqEnPtr++;
     ssqPtr++;
   }
 
   /* Extract the best choise of start state */
-  pos = WebRtcSpl_MaxIndexW32(ssqEn, (int16_t)(iLBCenc_inst->nsub-1)) + 1;
+  pos = WebRtcSpl_MaxIndexW32(ssqEn, iLBCenc_inst->nsub - 1) + 1;
 
   return(pos);
 }