bgpd: Partially revert f018db8, fixes BZ#730

  The change from bgp_node_get() to bgp_node_lookup() broke aggregation.

Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Tested-by: Martin Winter <mwinter@opensourcerouting.org>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
1 file changed