Now $table->head of admin/user.php is fixed as "Firstname / Lastname".
We need to change this title order depends on $CFG->fullnamedisplay as below.

Index: user.php
===================================================================
RCS file: /cvsroot/moodle/moodle/admin/user.php,v
retrieving revision 1.108
diff -u -r1.108 user.php
— user.php 30 Apr 2007 17:08:41 -0000 1.108
+++ user.php 24 Jul 2007 10:34:08 -0000
@@ -303,7 +303,20 @@

$mainadmin = get_admin();

• $table->head = array ("$firstname / $lastname", $email, $city, $country, $lastaccess, "", "", "");
  + $override->firstname = 'firstname';
  + $override->lastname = 'lastname';
  + $fullnamelanguage = get_string('fullnamedisplay', '', $override);
  + if ($CFG->fullnamedisplay == 'firstname lastname') { + $table->head = array ("$firstname / $lastname", $email, $city, $country, $lastaccess, "", "", ""); + }

  else if ($CFG->fullnamedisplay == 'language')

  Unknown macro: {+ if ($fullnamelanguage == 'firstname lastname') { + $table->head = array ("$firstname / $lastname", $email, $city, $country, $lastaccess, "", "", ""); + } else { + $table->head = array ("$lastname / $firstname", $email, $city, $country, $lastaccess, "", "", ""); + }+ }

  else

  { + $table->head = array ("$lastname / $firstname", $email, $city, $country, $lastaccess, "", "", ""); + }

  $table->align = array ("left", "left", "left", "left", "left", "center", "center", "center");
  $table->width = "95%";
  foreach ($users as $user) {