fix licenses smartermail (#2302)

apps/smartermail/restapi/mode/licenses.pm

@@ -25,6 +25,7 @@ use base qw(centreon::plugins::templates::counter);
 
 use strict;
 use warnings;
+use centreon::plugins::templates::catalog_functions qw(catalog_status_threshold_ng);
 
 sub custom_upgrade_protection_status_output {
     my ($self, %options) = @_;