fix configuration directive usage

bin/access-check-manager.pl.in

@@ -153,7 +153,7 @@ sub list_accounts {
         eval {
             AccountManager::Tools::update_ssp_authsources(
                 $configuration->{setup}->{templates_dir},
-                $configuration->{idp}->{accounts_file},
+                $configuration->{setup}->{accounts_file},
                 $accounts
             );
         };