Update audio code to use size_t more correctly,

webrtc/modules/audio_coding/codecs/g722/g722_decode.c

 /*
  * SpanDSP - a series of DSP components for telephony
  *
  * g722_decode.c - The ITU G.722 codec, decode part.
  *
  * Written by Steve Underwood <steveu@coppice.org>
  *
  * Copyright (C) 2005 Steve Underwood
  *
  *  Despite my general liking of the GPL, I place my own contributions 
@@ skipping 170 matching lines @@
 }
 /*- End of function --------------------------------------------------------*/
 
 int WebRtc_g722_decode_release(G722DecoderState *s)
 {
     free(s);
     return 0;
 }
 /*- End of function --------------------------------------------------------*/
 
-int WebRtc_g722_decode(G722DecoderState *s, int16_t amp[],
-                       const uint8_t g722_data[], int len)
+size_t WebRtc_g722_decode(G722DecoderState *s, int16_t amp[],
+                          const uint8_t g722_data[], size_t len)
 {
     static const int wl[8] = {-60, -30, 58, 172, 334, 538, 1198, 3042 };
     static const int rl42[16] = {0, 7, 6, 5, 4, 3, 2, 1,
                                  7, 6, 5, 4, 3,  2, 1, 0 };
     static const int ilb[32] =
     {
         2048, 2093, 2139, 2186, 2233, 2282, 2332,
         2383, 2435, 2489, 2543, 2599, 2656, 2714,
         2774, 2834, 2896, 2960, 3025, 3091, 3158,
         3228, 3298, 3371, 3444, 3520, 3597, 3676,
@@ skipping 48 matching lines @@
     int rlow;
     int ihigh;
     int dhigh;
     int rhigh;
     int xout1;
     int xout2;
     int wd1;
     int wd2;
     int wd3;
     int code;
-    int outlen;
+    size_t outlen;
     int i;
-    int j;
+    size_t j;
 
     outlen = 0;
     rhigh = 0;
     for (j = 0;  j < len;  )
     {
         if (s->packed)
         {
             /* Unpack the code bits */
             if (s->in_bits < s->bits_per_sample)
             {
@@ skipping 125 matching lines @@
                 /* WebRtc, tlegrand: added saturation */
                 amp[outlen++] = saturate(xout1 >> 11);
                 amp[outlen++] = saturate(xout2 >> 11);
             }
         }
     }
     return outlen;
 }
 /*- End of function --------------------------------------------------------*/
 /*- End of file ------------------------------------------------------------*/