[Perl/perl5] 72037d: t/loc_tools: Don't return duplicates

[Karl Williamson via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: 72037da85136f154d449810d4f3dc86919be5b4b
      
https://github.com/Perl/perl5/commit/72037da85136f154d449810d4f3dc86919be5b4b
  Author: Karl Williamson <k...@cpan.org>
  Date:   2024-02-15 (Thu, 15 Feb 2024)

  Changed paths:
    M t/loc_tools.pl

  Log Message:
  -----------
  t/loc_tools: Don't return duplicates

Make sure the return of find_locales() (and hence any internal subs
that call it) has no repeated locale names.