[Ddclient-support] [ddclient/ddclient] b1da99: Merge pull request #200 from rhansen/undo-revert

[Richard H. <no...@gi...>]

  Branch: refs/heads/master
  Home:   https://github.com/ddclient/ddclient
  Commit: b1da99c361525d4fe6980f338d7ba7524a987498
      https://github.com/ddclient/ddclient/commit/b1da99c361525d4fe6980f338d7ba7524a987498
  Author: Richard Hansen <rh...@rh...>
  Date:   2020-06-29 (Mon, 29 Jun 2020)

  Changed paths:
    M ddclient

  Log Message:
  -----------
  Merge pull request #200 from rhansen/undo-revert

Add is_ipv4() and ipv4_match() functions