[0.85] clean use of deprecated function

git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@21065 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.85] fix bloc doc

git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@21066 35612d4c-9d10-0410-837c-bf9dd1be60d7