validity for licenses : see #1293


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@22641 35612d4c-9d10-0410-837c-bf9dd1be60d7
Indicator : software and license valid  fixed #1293


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@22642 35612d4c-9d10-0410-837c-bf9dd1be60d7