tor-parallel-relay-conn/changes/ticket31687_2

  o Minor bugfixes (FreeBSD, PF-based proxy, IPv6):
    - When extracting an IPv6 address from a PF-based proxy, verify
      that we are actually configured to receive an IPv6 address,
      and log an internal error if not. Fixes part of bug 31687;
      bugfix on 0.2.3.4-alpha.