Update audio code to use size_t more correctly,

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

Index: webrtc/modules/audio_coding/codecs/ilbc/get_sync_seq.c
diff --git a/webrtc/modules/audio_coding/codecs/ilbc/get_sync_seq.c b/webrtc/modules/audio_coding/codecs/ilbc/get_sync_seq.c
index 480ed7c6cdb958d1e552a2dfaad03acd479709c9..66dfafbe7a436b2e4283f9a7874ff37449a772ff 100644
--- a/webrtc/modules/audio_coding/codecs/ilbc/get_sync_seq.c
+++ b/webrtc/modules/audio_coding/codecs/ilbc/get_sync_seq.c
@@ -31,12 +31,13 @@ void WebRtcIlbcfix_GetSyncSeq(
     int16_t centerStartPos, /* (i) where current block starts */
     int16_t *period,   /* (i) rough-pitch-period array       (Q-2) */
     int16_t *plocs,   /* (i) where periods of period array are taken (Q-2) */
-    int16_t periodl,   /* (i) dimension period array */
+    size_t periodl,   /* (i) dimension period array */
     int16_t hl,    /* (i) 2*hl+1 is the number of sequences */
     int16_t *surround  /* (i/o) The contribution from this sequence
                                 summed with earlier contributions */
                               ){
-  int16_t i,centerEndPos,q;
+  size_t i;
+  int16_t centerEndPos,q;
   /* Stack based */
   int16_t lagBlock[2*ENH_HL+1];
   int16_t blockStartPos[2*ENH_HL+1]; /* Defines the position to search around (Q2) */