Read recv timestamps from socket (posix only).

webrtc/examples/peerconnection/client/peer_connection_client.cc

Index: webrtc/examples/peerconnection/client/peer_connection_client.cc
diff --git a/webrtc/examples/peerconnection/client/peer_connection_client.cc b/webrtc/examples/peerconnection/client/peer_connection_client.cc
index 9875115c4ba408d74b7357d983758d7074b46997..86d21193fd37c27ad65f8d210d65ccab0a02b3fb 100644
--- a/webrtc/examples/peerconnection/client/peer_connection_client.cc
+++ b/webrtc/examples/peerconnection/client/peer_connection_client.cc
@@ -296,7 +296,7 @@ bool PeerConnectionClient::ReadIntoBuffer(rtc::AsyncSocket* socket,
                                           size_t* content_length) {
   char buffer[0xffff];
   do {
-    int bytes = socket->Recv(buffer, sizeof(buffer));
+    int bytes = socket->Recv(buffer, sizeof(buffer), nullptr);
     if (bytes <= 0)
       break;
     data->append(buffer, bytes);