[0.85] fix ip search for networkequipment


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@20253 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.85] fix post 31678 : php error on view ticket template preview


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@20255 35612d4c-9d10-0410-837c-bf9dd1be60d7