Revert "Upconvert various types to int."

webrtc/modules/audio_coding/codecs/isac/fix/test/test_iSACfixfloat.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 70 matching lines @@
 int main(int argc, char* argv[]) {
   char inname[50], outname[50], bottleneck_file[50], bitfilename[60],
       bitending[10] = "_bits.pcm";
   FILE* inp, *outp, *f_bn, *bitsp;
   int framecnt, endfile;
 
   int i, j, errtype, plc = 0;
   int16_t CodingMode;
   int16_t bottleneck;
 
-  int framesize = 30; /* ms */
-  // int framesize = 60; /* To invoke cisco complexity case at frame 2252 */
+  int16_t framesize = 30; /* ms */
+  // int16_t framesize = 60; /* To invoke cisco complexity case at frame 2252 */
 
   int cur_framesmpls, err;
 
   /* Runtime statistics */
   double starttime;
   double runtime;
   double length_file;
 
   int16_t stream_len = 0;
-  int declen;
+  int16_t declen;
 
   int16_t shortdata[FRAMESAMPLES_10ms];
   int16_t decoded[MAX_FRAMESAMPLES];
   uint16_t streamdata[600];
   int16_t speechType[1];
 
   // int16_t* iSACstruct;
 
   char version_number[20];
   int mode = -1, tmp, nbTest = 0; /*,sss;*/
@@ skipping 497 matching lines @@
   fclose(outp);
 
   WebRtcIsac_Free(ISAC_main_inst);
   WebRtcIsacfix_Free(ISACFIX_main_inst);
 
   // fclose(histfile);
   // fclose(ratefile);
 
   return 0;
 }