[perl5-dbi/dbi] e90c3d: Clarify wording of log message when err is cleared...

[Tim Bunce]

  Branch: refs/heads/master
  Home:   https://github.com/perl5-dbi/dbi
  Commit: e90c3db6b8128cd9841358e352dc66ad56279de0
      
https://github.com/perl5-dbi/dbi/commit/e90c3db6b8128cd9841358e352dc66ad56279de0
  Author: Tim Bunce <tim.bu...@pobox.com>
  Date:   2013-09-25 (Wed, 25 Sep 2013)

  Changed paths:
    M Changes
    M DBI.xs

  Log Message:
  -----------
  Clarify wording of log message when err is cleared.

Re 
http://stackoverflow.com/questions/18983601/why-is-there-a-0-cleared-by-call-to-connect-method-warning-in-dbi-trace