-struct string_list config_name_for_path;
-struct string_list config_fetch_recurse_submodules_for_name;
-struct string_list config_ignore_for_name;
+static struct string_list config_name_for_path;
+static struct string_list config_fetch_recurse_submodules_for_name;
+static struct string_list config_ignore_for_name;