[0.85] fix connection

git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@20667 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.85] fix login - see #4227

git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@20668 35612d4c-9d10-0410-837c-bf9dd1be60d7