Fix long-dormant typo

tools/extract_configs.py

diff --git a/tools/extract_configs.py b/tools/extract_configs.py
index a1e78b1..d121cc5 100755
--- a/tools/extract_configs.py
+++ b/tools/extract_configs.py
@@ -166,7 +166,7 @@
         attr_name = PROPERTY_DEFAULT
         str_values[attr_name] = config_attrs.get(attr_name, None)
         if str_values[attr_name] is not None:
-            if str_values[attr_name] not in _enumvalues:
+            if str_values[attr_name] not in parsed_values[PROPERTY_ENUMVALUES]:
                 errors.append(Exception('{} at {}:{} has {} value {} which isn\'t in list of {} {}'.format(config_name, file_path, linenum, attr_name, str_values[attr_name], PROPERTY_ENUMVALUES, str_values[PROPERTY_ENUMVALUES])))
 
     elif type_str == PROPERTY_TYPE_LIST: