This addresses

  invalid use of undefined type 'struct sock addr'

and AF_INET being unknown when building on FreeBSD 11.x.
Signed-off-by: Gerald Pfeifer <gerald@pfeifer.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>