Round a price value in getGroupCriterion.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@975 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/InvoiceCell.py

@@ -154,4 +154,4 @@ Une ligne tarifaire."""
       """
         Return the criterion for grouping. This should be overriden by each class.
       """
-      return self.getPrice()
+      return int(round(self.getPrice() * 100))

product/ERP5/Document/InvoiceLine.py

@@ -164,4 +164,4 @@ Une ligne tarifaire."""
       """
         Return the criterion for grouping. This should be overriden by each class.
       """
-      return self.getPrice()
+      return int(round(self.getPrice() * 100))