Convert some more things to size_t.

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

Index: webrtc/modules/audio_coding/codecs/ilbc/enhancer.c
diff --git a/webrtc/modules/audio_coding/codecs/ilbc/enhancer.c b/webrtc/modules/audio_coding/codecs/ilbc/enhancer.c
index 56835970060d1f81636126236644803c57e637bb..521d00441c2e2d0a873ce7e4187a94331c289154 100644
--- a/webrtc/modules/audio_coding/codecs/ilbc/enhancer.c
+++ b/webrtc/modules/audio_coding/codecs/ilbc/enhancer.c
@@ -29,10 +29,10 @@
 void WebRtcIlbcfix_Enhancer(
     int16_t *odata,   /* (o) smoothed block, dimension blockl */
     int16_t *idata,   /* (i) data buffer used for enhancing */
-    int16_t idatal,   /* (i) dimension idata */
-    int16_t centerStartPos, /* (i) first sample current block within idata */
-    int16_t *period,   /* (i) pitch period array (pitch bward-in time) */
-    int16_t *plocs,   /* (i) locations where period array values valid */
+    size_t idatal,   /* (i) dimension idata */
+    size_t centerStartPos, /* (i) first sample current block within idata */
+    size_t *period,   /* (i) pitch period array (pitch bward-in time) */
+    const size_t *plocs,   /* (i) locations where period array values valid */
     size_t periodl   /* (i) dimension of period and plocs */
                             ){
   /* Stack based */
@@ -47,5 +47,5 @@ void WebRtcIlbcfix_Enhancer(
 
   /* compute the smoothed output from said second sequence */
 
-  WebRtcIlbcfix_Smooth(odata, idata+centerStartPos, surround);
+  WebRtcIlbcfix_Smooth(odata, idata + centerStartPos, surround);
 }