Fix a variable naming typo

webrtc/voice_engine/utility.cc

Index: webrtc/voice_engine/utility.cc
diff --git a/webrtc/voice_engine/utility.cc b/webrtc/voice_engine/utility.cc
index 4b4397a3bf209d6d7a30069e5a0c57d8768911f1..345acbdc65a9280ab930eaaafeda37eba00f369e 100644
--- a/webrtc/voice_engine/utility.cc
+++ b/webrtc/voice_engine/utility.cc
@@ -41,7 +41,7 @@ void RemixAndResample(const int16_t* src_data,
                       AudioFrame* dst_frame) {
   const int16_t* audio_ptr = src_data;
   size_t audio_ptr_num_channels = num_channels;
-  int16_t downsmixed_audio[AudioFrame::kMaxDataSizeSamples];
+  int16_t downmixed_audio[AudioFrame::kMaxDataSizeSamples];
 
   // Downmix before resampling.
   if (num_channels > dst_frame->num_channels_) {
@@ -52,8 +52,8 @@ void RemixAndResample(const int16_t* src_data,
 
     AudioFrameOperations::DownmixChannels(
         src_data, num_channels, samples_per_channel, dst_frame->num_channels_,
-        downsmixed_audio);
-    audio_ptr = downsmixed_audio;
+        downmixed_audio);
+    audio_ptr = downmixed_audio;
     audio_ptr_num_channels = dst_frame->num_channels_;
   }