[NOT FOR REVIEW] Various changes requested by Andrew

webrtc/modules/audio_coding/neteq/expand.cc

Index: webrtc/modules/audio_coding/neteq/expand.cc
diff --git a/webrtc/modules/audio_coding/neteq/expand.cc b/webrtc/modules/audio_coding/neteq/expand.cc
index 35c80e773c0d9e8aadc698ff880d6ff3324c4c69..dc9e271d874815b8c15f2240649953e59da11e84 100644
--- a/webrtc/modules/audio_coding/neteq/expand.cc
+++ b/webrtc/modules/audio_coding/neteq/expand.cc
@@ -454,8 +454,7 @@ void Expand::AnalyzeSignal(int16_t* random_vector) {
         correlation_length, correlation_lags, correlation_scale, -1);
 
     // Find maximizing index.
-    best_index = static_cast<size_t>(
-        WebRtcSpl_MaxIndexW32(correlation_vector2, correlation_lags));
+    best_index = WebRtcSpl_MaxIndexW32(correlation_vector2, correlation_lags);
     int32_t max_correlation = correlation_vector2[best_index];
     // Compensate index with start offset.
     best_index = best_index + start_index;