asio: Fix recent changes for WIN32.
asio: Fix recent changes for WIN32.

	* lib/libport/asio.cc (SocketWrapper): Take a HANDLE instead of
	int on win32.
	(makePipe): Fix CreatePipe arguments and type glitch.

aldebaran/libport,aldebaran/libport,aldebaran/libport,aldebaran/libport,aldebaran/libport