[Perl/perl5] 95e393: Add comment to sv_setpv_freshbuf

[Karl Williamson via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: 95e3939ea385470fd6154876bb366b5eb5f470f1
      
https://github.com/Perl/perl5/commit/95e3939ea385470fd6154876bb366b5eb5f470f1
  Author: Karl Williamson <k...@cpan.org>
  Date:   2024-02-07 (Wed, 07 Feb 2024)

  Changed paths:
    M sv_inline.h

  Log Message:
  -----------
  Add comment to sv_setpv_freshbuf