[perl5-dbi/dbi] 149bb7: revert empty string handling in Nano (f2a2df0)

[Tim Bunce]

  Branch: refs/heads/master
  Home:   https://github.com/perl5-dbi/dbi
  Commit: 149bb752910f2541198d4b20a61e079eedaaa3d5
      
https://github.com/perl5-dbi/dbi/commit/149bb752910f2541198d4b20a61e079eedaaa3d5
  Author: Tim Bunce <tim.bu...@pobox.com>
  Date:   2013-06-24 (Mon, 24 Jun 2013)

  Changed paths:
    M Changes
    M lib/DBI/SQL/Nano.pm

  Log Message:
  -----------
  revert empty string handling in Nano (f2a2df0)