[Perl/perl5] 324f14: Fix Safe clobbering %SIG

[Erik Huelsmann via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: 324f14a485358c25d3702788901a201402e40249
      
https://github.com/Perl/perl5/commit/324f14a485358c25d3702788901a201402e40249
  Author: Erik Huelsmann <ehu...@gmail.com>
  Date:   2023-08-15 (Tue, 15 Aug 2023)

  Changed paths:
    M AUTHORS
    M MANIFEST
    M dist/Safe/MANIFEST
    M dist/Safe/Safe.pm
    A dist/Safe/t/safesig.t

  Log Message:
  -----------
  Fix Safe clobbering %SIG

Fixes https://rt.cpan.org/Ticket/Display.html?id=112092