message: Fix definition of protocol families
diff: @@ -53,10 +53,10 @@ pub const AF_INET6: c_int = 10;
  pub const AF_UNIX: c_int = 1;
  pub const AF_UNSPEC: c_int = 0;
  -pub const PF_INET: c_int = AF_INET;
  -pub const PF_INET6: c_int = AF_INET6;
  -pub const PF_UNIX: c_int = AF_UNIX;
  -pub const PF_UNSPEC: c_int = AF_UNSPEC;
  +pub const PF_INET: c_int = 2;
  +pub const PF_INET6: c_int = 10;
  +pub const PF_UNIX: c_int = 1;
  +pub const PF_UNSPEC: c_int = 0;
  pub const SHUT_RD: c_int = 0;
  pub const SHUT_RDWR: c_int = 2;
  