Add missing changelog reflink for @kwonoj

CHANGELOG.md

@@ -1924,6 +1924,7 @@ Not usable for others, only stubs of classes etc. - [@orta]
 [@keplersj]: https://github.com/keplersj
 [@kesne]: https://github.com/kesne
 [@kristof0425]: https://github.com/kristof0425
+[@kwonoj]: https://github.com/kwonoj
 [@langovoi]: https://github.com/langovoi
 [@lucasmpaim]: https://github.com/lucasmpaim
 [@macklinu]: https://github.com/macklinu