[Perl/perl5] a5922c: mktables: Generate =head1 NAME line in Name.pm

[Karl Williamson via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: a5922cb58907d358f44c79ecfb2e3867224d8425
      
https://github.com/Perl/perl5/commit/a5922cb58907d358f44c79ecfb2e3867224d8425
  Author: Karl Williamson <k...@cpan.org>
  Date:   2021-08-15 (Sun, 15 Aug 2021)

  Changed paths:
    M charclass_invlists.h
    M lib/unicore/mktables
    M lib/unicore/uni_keywords.pl
    M regcharclass.h
    M uni_keywords.h

  Log Message:
  -----------
  mktables: Generate =head1 NAME line in Name.pm

All .pm files are supposed to have this line.  So far this hasn't been
necessary for this file, but future commits will require it.