[Ddclient-support] [ddclient/ddclient] c4f267: Explicit require version

[Sandro <no...@gi...>]

  Branch: refs/heads/perl-version
  Home:   https://github.com/ddclient/ddclient
  Commit: c4f2670d8bca3a723917be89bccdc85a4096f25f
      https://github.com/ddclient/ddclient/commit/c4f2670d8bca3a723917be89bccdc85a4096f25f
  Author: Sandro Jäckel <san...@gm...>
  Date:   2020-07-01 (Wed, 01 Jul 2020)

  Changed paths:
    M configure.ac

  Log Message:
  -----------
  Explicit require version

because centos does not include it at all times