* src/console.c, src/console.h, src/virsh.c: Disable
	  text console on Windows.
	* src/libvirt.c: Use replacement getpass from Gnulib.
	* src/libvirt.c: Initialize Winsock before use.
	* src/remote_internal.c: Header file fixes for Windows.
	  Don't fail if AI_ADDRCONFIG isn't defined.  Disable
	  unsupported stuff under Windows.
	* src/uuid.c: ENODATA unavailable on Windows, use EIO instead.
	* src/virsh.c: No uid_t / getuid on Windows.
	* src/virsh.c: No O_SYNC on Windows.