check if there precision is not 0

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@3292 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/FormulatorPatch.py

@@ -778,6 +778,7 @@ class FloatWidget(TextWidget):
           else:
             value = value_list[0]
           precision = field.get_value('precision')
+          if precision != 0:
             value += '.'
           if precision not in (None,''):
             for i in range(0,precision):