set the content_type using the type attribute of the headers

reviewed by nicolas


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@35620 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Tool/ContributionTool.py

@@ -176,6 +176,7 @@ class ContributionTool(BaseTool):
         headers = url_file.headers
         if hasattr(headers, 'type'):
           mime_type = headers.type
+          kw['content_type'] = mime_type
       kw['file'] = file
 
     # If the portal_type was provided, we can go faster