fix totalcost search (fix r21005)


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@21013 35612d4c-9d10-0410-837c-bf9dd1be60d7
fix r21005


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@21014 35612d4c-9d10-0410-837c-bf9dd1be60d7
fix last


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@21015 35612d4c-9d10-0410-837c-bf9dd1be60d7