Revert "Upconvert various types to int."

webrtc/modules/audio_coding/codecs/g722/include/g722_interface.h

 /*
  *  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 55 matching lines @@
  * WebRtcG722_FreeEncoder(...)
  *
  * Free the memory used for G722 encoder
  *
  * Input:
  *     - G722enc_inst         : G722 instance for encoder
  *
  * Return value               :  0 - Ok
  *                              -1 - Error
  */
-int WebRtcG722_FreeEncoder(G722EncInst *G722enc_inst);
+int16_t WebRtcG722_FreeEncoder(G722EncInst *G722enc_inst);
 
 
 
 /****************************************************************************
  * WebRtcG722_Encode(...)
  *
  * This function encodes G722 encoded data.
  *
  * Input:
  *     - G722enc_inst         : G722 instance, i.e. the user that should encode
@@ skipping 48 matching lines @@
  *
  * Free the memory used for G722 decoder
  *
  * Input:
  *     - G722dec_inst         : G722 instance for decoder
  *
  * Return value               :  0 - Ok
  *                              -1 - Error
  */
 
-int WebRtcG722_FreeDecoder(G722DecInst *G722dec_inst);
+int16_t WebRtcG722_FreeDecoder(G722DecInst *G722dec_inst);
 
 
 /****************************************************************************
  * WebRtcG722_Decode(...)
  *
  * This function decodes a packet with G729 frame(s). Output speech length
  * will be a multiple of 80 samples (80*frames/packet).
  *
  * Input:
  *     - G722dec_inst       : G722 instance, i.e. the user that should decode
@@ skipping 24 matching lines @@
 
 int16_t WebRtcG722_Version(char *versionStr, short len);
 
 
 #ifdef __cplusplus
 }
 #endif
 
 
 #endif /* MODULES_AUDIO_CODING_CODECS_G722_MAIN_INTERFACE_G722_INTERFACE_H_ */