[Perl/perl5] 7425ec: locale.c: Move macro definition to before first use

[Karl Williamson via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: 7425ecc75c813d1dddfbda86480702b640c4b907
      
https://github.com/Perl/perl5/commit/7425ecc75c813d1dddfbda86480702b640c4b907
  Author: Karl Williamson <k...@cpan.org>
  Date:   2023-12-31 (Sun, 31 Dec 2023)

  Changed paths:
    M locale.c

  Log Message:
  -----------
  locale.c: Move macro definition to before first use