Fix reporting MaxXferError

zabbix_scripts/check_backuppc_sudo

@@ -60,7 +60,8 @@ if ( $host ) {
   $json->{total_size} += $json->{full_size} - 2 * $new_size_of_last_full;
   $json->{age} = time - $age;
 
-  $json->{max_errors} = $conf->{MaxXferError} if (defined $conf->{MaxXferError});
+  $json->{max_errors} = $conf->{MaxXferError} || 0;
+
 } elsif ( $entity ) {
 
   $json = {

zabbix_scripts/disco_backuppc_sudo

@@ -42,7 +42,7 @@ if ($entities) {
     my $hostConf   = $bpc->ConfigDataRead($host);
     my $conf       = { %$mainConf, %$hostConf };
     my $warning    = $conf->{EMailNotifyOldBackupDays};
-    my $errors     = ( defined $conf->{MaxXferError} ) ? $conf->{MaxXferError}: '0';
+    my $errors     = ( defined $conf->{MaxXferError} ) ? $conf->{MaxXferError} : '0';
     my $monitoring = $conf->{ZabbixMonitoring} || 1;
     my $status     = ( $conf->{BackupsDisable} gt 0 or $monitoring eq '0' ) ? '0' : '1';
     push @{$json->{data}},