Add a platform specific typedef for SOCKET in the peerconnection_server example since it's not universally 'int'.

R=pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/33439004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7763 4adac7df-926f-26a2-2b94-8c16560cd09d

talk/examples/peerconnection/server/data_socket.cc

@@ -301,7 +301,8 @@ DataSocket* ListeningSocket::Accept() const {
   assert(valid());
   struct sockaddr_in addr = {0};
   socklen_t size = sizeof(addr);
-  int client = accept(socket_, reinterpret_cast<sockaddr*>(&addr), &size);
+  NativeSocket client =
+      accept(socket_, reinterpret_cast<sockaddr*>(&addr), &size);
   if (client == INVALID_SOCKET)
     return NULL;