[Perl/perl5] 9c705b: Update a couple of RT references in todo.pod

[Hugo van der Sanden via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: 9c705b6a737887a4da01ff0f1aee235dccb1ef26
      
https://github.com/Perl/perl5/commit/9c705b6a737887a4da01ff0f1aee235dccb1ef26
  Author: Hugo van der Sanden <h...@crypt.org>
  Date:   2020-09-15 (Tue, 15 Sep 2020)

  Changed paths:
    M Porting/todo.pod

  Log Message:
  -----------
  Update a couple of RT references in todo.pod