Version 1.1.2 ignores long-line directive in setup.cfg

The following `setup.cfg` file reports long line errors on 1.1.2 but works properly on 1.1.1.

What changed in 1.1.2 to mistakenly report these error messages?

```text
[doc8]
ignore-path-errors=example-long-line-file.rst;D001
```