Add missing end dot on translatable strings

issue8670
review252211037

product.py

@@ -354,7 +354,7 @@ class ProductSupplierPrice(
         "Quantity",
         required=True,
         domain=[('quantity', '>=', 0)],
-        help='Minimal quantity')
+        help='Minimal quantity.')
     unit_price = fields.Numeric('Unit Price', required=True,
         digits=price_digits)
 

stock.py

@@ -254,4 +254,4 @@ class Location(metaclass=PoolMeta):
             ('parent', 'child_of', [Eval('id', -1)]),
             ],
         depends=['type', 'active', 'id'],
-        help='If empty the Storage location is used')
+        help='If empty the Storage location is used.')