[Perl/perl5] b6357f: perlfunc.pod: Correct getpwnam example

[Elvin Aslanov via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: b6357fefc4581030b6d4d7b635fcdd972b374fb6
      
https://github.com/Perl/perl5/commit/b6357fefc4581030b6d4d7b635fcdd972b374fb6
  Author: Elvin Aslanov <rwp.prim...@gmail.com>
  Date:   2023-07-03 (Mon, 03 Jul 2023)

  Changed paths:
    M pod/perlfunc.pod

  Log Message:
  -----------
  perlfunc.pod: Correct getpwnam example

Fixes Perl/perl5#21137