Log Message:
lldpd: update to 1.0.18.

From Oskar on pkgsrc-users.

lldpd (1.0.18)
 * Changes (breaking):
   + Remove support for building 802.3bt TLVs (broken).
 * Fix:
   + Fix memory leaks in EDP/FDP decoding when receiving some TLVs twice.
   + Do not set interface description continuously.
   + Use a different Netlink socket for changes and queries.

lldpd (1.0.17)
 * Fix:
   + Read overflow when parsing CDP addresses. Thanks to Matteo Memelli.
   + Don't output empty lines on configure commands.

lldpd (1.0.16)
 * Fix:
   + Do not use 00:00:00:00:00:00 as chassis ID.
   + Do not busy loop when an interface with a neighbor disappears.

lldpd (1.0.15)
 * Changes
   + Add configure command to override system capabilities. Contributed by
     Ignacio Sanchez Navarro. (#526)
   + An unrecognized ORG TLV is now considered as a custom one. (#536)
 * Fix:
   + Really don't send VLANs when there are too many (#520)
   + Ignore temporary IPv6 addresses (#521)

lldpd (1.0.14)
 * Changes
   + Add configure commands to alter inventory TLVs (#508)
 * Fix:
   + Update seccomp rules for newer kernel/libc (#488)
   + Correctly handle an interface whose index has changed (#490)
   + Don't send VLANs when there are too many (#501)