product delay does not take float value in count when confirming Sale orders

Product delay does not take float value in count when confirming Sale orders

here is a small patch

=== modified file 'sale/sale.py'
--- sale/sale.py 2009-07-29 09:32:55 +0000
+++ sale/sale.py 2009-08-26 14:40:33 +0000
@@ -541,8 +541,8 @@
             picking_id = False
             for line in order.order_line:
                 proc_id=False
- date_planned = DateTime.now() + DateTime.RelativeDateTime(days=line.delay or 0.0)
- date_planned = (date_planned - DateTime.RelativeDateTime(days=company.security_lead)).strftime('%Y-%m-%d %H:%M:%S')
+ date_planned = DateTime.now() +DateTime.DateTimeDeltaFromDays(line.delay or 0.0)
+ date_planned = (date_planned - DateTime.DateTimeDeltaFromDays(company.security_lead)).strftime('%Y-%m-%d %H:%M:%S')
                 if line.state == 'done':
                     continue
                 if line.product_id and line.product_id.product_tmpl_id.type in ('product', 'consu'):