[Perl/perl5] b5f24b: make-rmg-checklist: Make executable from anywhere

[Elvin Aslanov via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: b5f24b1f49b3a977a4b039f4bf3a593941351661
      
https://github.com/Perl/perl5/commit/b5f24b1f49b3a977a4b039f4bf3a593941351661
  Author: Elvin Aslanov <rwp.prim...@gmail.com>
  Date:   2023-09-25 (Mon, 25 Sep 2023)

  Changed paths:
    M Porting/make-rmg-checklist

  Log Message:
  -----------
  make-rmg-checklist: Make executable from anywhere

Also correct usage message indicating POD format
output which is the case without the "--html" flag