[perl5-dbi/dbi] 98586f: Fix loading issue without DBI.so

[Jens Rehsack]

  Branch: refs/heads/dbi-test-conditional
  Home:   https://github.com/perl5-dbi/dbi
  Commit: 98586fedb09129c4569dcc0f9cdd444384b144f2
      
https://github.com/perl5-dbi/dbi/commit/98586fedb09129c4569dcc0f9cdd444384b144f2
  Author: Jens Rehsack <s...@netbsd.org>
  Date:   2013-09-18 (Wed, 18 Sep 2013)

  Changed paths:
    M Makefile.PL

  Log Message:
  -----------
  Fix loading issue without DBI.so