Update a ton of audio code to use size_t more correctly and in general reduce

webrtc/modules/audio_coding/codecs/ilbc/cb_construct.c

Index: webrtc/modules/audio_coding/codecs/ilbc/cb_construct.c
diff --git a/webrtc/modules/audio_coding/codecs/ilbc/cb_construct.c b/webrtc/modules/audio_coding/codecs/ilbc/cb_construct.c
index 9d11b83accbd83bc00c859a0e24ab938faf6c77e..cacf3ace2895afe0cc7f6d5379d2f9d5cc90bd95 100644
--- a/webrtc/modules/audio_coding/codecs/ilbc/cb_construct.c
+++ b/webrtc/modules/audio_coding/codecs/ilbc/cb_construct.c
@@ -29,10 +29,10 @@ void WebRtcIlbcfix_CbConstruct(
     int16_t *index,   /* (i) Codebook indices */
     int16_t *gain_index,  /* (i) Gain quantization indices */
     int16_t *mem,   /* (i) Buffer for codevector construction */
-    int16_t lMem,   /* (i) Length of buffer */
-    int16_t veclen   /* (i) Length of vector */
+    size_t lMem,   /* (i) Length of buffer */
+    size_t veclen   /* (i) Length of vector */
                                ){
-  int j;
+  size_t j;
   int16_t gain[CB_NSTAGES];
   /* Stack based */
   int16_t cbvec0[SUBL];
@@ -50,9 +50,9 @@ void WebRtcIlbcfix_CbConstruct(
   /* codebook vector construction and construction of total vector */
 
   /* Stack based */
-  WebRtcIlbcfix_GetCbVec(cbvec0, mem, index[0], lMem, veclen);
-  WebRtcIlbcfix_GetCbVec(cbvec1, mem, index[1], lMem, veclen);
-  WebRtcIlbcfix_GetCbVec(cbvec2, mem, index[2], lMem, veclen);
+  WebRtcIlbcfix_GetCbVec(cbvec0, mem, (size_t)index[0], lMem, veclen);
+  WebRtcIlbcfix_GetCbVec(cbvec1, mem, (size_t)index[1], lMem, veclen);
+  WebRtcIlbcfix_GetCbVec(cbvec2, mem, (size_t)index[2], lMem, veclen);
 
   gainPtr = &gain[0];
   for (j=0;j<veclen;j++) {