[0.85] Fix rev 21538 that remove unwanted method


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@21553 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.85] Fix previous commit (rev 21538) that was partially a mistake


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@21554 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.85] #4385: Clarify methods names


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@21555 35612d4c-9d10-0410-837c-bf9dd1be60d7