[0.85] fix 20352 and work for ticket #1639


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@20354 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.85] fix tabs for display prefs


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@20355 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.85] add comment


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@20356 35612d4c-9d10-0410-837c-bf9dd1be60d7
Fix 20354


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@20357 35612d4c-9d10-0410-837c-bf9dd1be60d7