[Perl/perl5] 283d40: see if this makes cygwin happy

[Yves Orton via perl5-changes]

  Branch: refs/heads/yves/exclude_contrib
  Home:   https://github.com/Perl/perl5
  Commit: 283d4027f10d3c559a52847aa4249df37e753b2a
      
https://github.com/Perl/perl5/commit/283d4027f10d3c559a52847aa4249df37e753b2a
  Author: Yves Orton <demer...@gmail.com>
  Date:   2022-08-10 (Wed, 10 Aug 2022)

  Changed paths:
    M perl.h

  Log Message:
  -----------
  see if this makes cygwin happy

this PR should cause any C issues, but there are artifacts from cygwin,
i think this is the fix, lets see.