bgpd: use ATTR_FLAG_BIT() for BGP_ATTR_ values

* bgp_attr.c: this UNSET_FLAG()s are bogus. I did a quick review and
  I think that they could not cause any bug anyway.

Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Acked-by: Feng Lu <lu.feng@6wind.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
1 file changed