[perl5-dbi/dbi] be4dc7: Update Changes to record 1.639 release date

[Tim Bunce]

  Branch: refs/heads/master
  Home:   https://github.com/perl5-dbi/dbi
  Commit: be4dc7873a33f3d4ef56812ed01a34587d71aa15
      
https://github.com/perl5-dbi/dbi/commit/be4dc7873a33f3d4ef56812ed01a34587d71aa15
  Author: Tim Bunce <tim.bu...@pobox.com>
  Date:   2017-12-30 (Sat, 30 Dec 2017)

  Changed paths:
    M Changes

  Log Message:
  -----------
  Update Changes to record 1.639 release date