Improved: Replace deprecated BigDecimal.ROUND_HALF by  RoundingMode.HALF (OFBIZ-13103)

Fixes a typo, it's RoundingMode.HALF_UP and not RoundingMode.ROUND_HALF_UP as
with BigDecimal
diff --git a/birt/webapp/ordermgr/reports/CouponSalesReport.rptdesign b/birt/webapp/ordermgr/reports/CouponSalesReport.rptdesign
index b44f4f0..c031c57 100644
--- a/birt/webapp/ordermgr/reports/CouponSalesReport.rptdesign
+++ b/birt/webapp/ordermgr/reports/CouponSalesReport.rptdesign
@@ -188,14 +188,14 @@
             shippingCharge = 0;
             shippingCharge = orderAdjustments.get(j).get("amount");
             if(shippingCharge){
-                shippingCharge = shippingCharge.setScale(2, RoundingMode.ROUND_HALF_UP).doubleValue();
+                shippingCharge = shippingCharge.setScale(2, RoundingMode.HALF_UP).doubleValue();
             }
             totalShippingCharge = totalShippingCharge + shippingCharge;
         }
         shippingAmount = dispatcher.runSync("getOrderShippingAmount", input);
         amount = shippingAmount.get("shippingAmount");
         if(amount){
-            amount = amount.setScale(2, RoundingMode.ROUND_HALF_UP).doubleValue();
+            amount = amount.setScale(2, RoundingMode.HALF_UP).doubleValue();
         }
         totalShippingAmount = totalShippingAmount + amount;
     }