Fix build on clang/win.

talk/app/webrtc/remoteaudiosource.cc

Index: talk/app/webrtc/remoteaudiosource.cc
diff --git a/talk/app/webrtc/remoteaudiosource.cc b/talk/app/webrtc/remoteaudiosource.cc
index e5af1e9487503f40c37a81a6315dd6f72a2657fe..a35f0bb787f3129c9655ecf737d575fe8689c2b8 100644
--- a/talk/app/webrtc/remoteaudiosource.cc
+++ b/talk/app/webrtc/remoteaudiosource.cc
@@ -97,7 +97,7 @@ void RemoteAudioSource::Initialize(uint32_t ssrc,
   // we register for callbacks here and not on demand in AddSink.
   if (provider) {  // May be null in tests.
     provider->SetRawAudioSink(
-        ssrc, std::move(rtc::scoped_ptr<AudioSinkInterface>(new Sink(this))));
+        ssrc, rtc::scoped_ptr<AudioSinkInterface>(new Sink(this)));
   }
 }