Fixed discount not appearing on invoices

wiaflos/server/core/Invoicing.pm

@@ -1238,7 +1238,7 @@ sub sendInvoice
 		$titem->{'Description'} = $item->{'Description'};
 		($titem->{'Quantity'} = $item->{'Quantity'}) =~ s/\.0+$//;  # Remove .0's from quantity
 		$titem->{'Unit'} = defined($item->{'Unit'}) ? $item->{'Unit'} : "";
-		$titem->{'Discount'} = "" if (!defined($item->{'Discount'})); # %
+		$titem->{'Discount'} = defined($item->{'Discount'}) ? $item->{'Discount'} : ""; # %
 		$titem->{'DiscountAmount'} = defined($item->{'DiscountAmount'}) ? sprintf('%.2f',$item->{'DiscountAmount'}) : ""; # amount
 		$titem->{'UnitPrice'} = sprintf('%.2f',$item->{'UnitPrice'});
 		$titem->{'PriceExcl'} = sprintf('%.2f',$item->{'Price'}); # excl tax