Add IGNORECASE flag to search header values

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk/utils/erp5.utils.web_checker/@37453 20353a03-c40f-0410-a6d1-a30d3c3de9de

erp5/util/webchecker/__init__.py

@@ -314,7 +314,7 @@ class HTTPCacheCheckerTestSuite(object):
             x_varnish_reference_list.append((x_varnish_reference, True, url))
         for header, reference_value in self.header_list.iteritems():
           re_compiled = re.compile(self.generic_header_search_regex % header,
-                                                                  re.MULTILINE)
+                                   re.MULTILINE | re.IGNORECASE)
           match_object = re_compiled.search(fetched_data)
           if match_object is None:
             message = 'header:%r not found for %r' % (header, url)