add a mailmap entry

I accidentally commited some things with my name/email swapped ^^'

Author: WaffleLapkin

.mailmap

@@ -680,6 +680,7 @@ Valerii Lashmanov <vflashm@gmail.com>
 Vitali Haravy <HumaneProgrammer@gmail.com> Vitali Haravy <humaneprogrammer@gmail.com>
 Vitaly Shukela <vi0oss@gmail.com>
 Waffle Lapkin <waffle.lapkin@gmail.com>
+Waffle Lapkin <waffle.lapkin@gmail.com> <Waffle Lapkin>
 Waffle Lapkin <waffle.lapkin@gmail.com> <waffle.lapkin@tasking.com>
 Weihang Lo <me@weihanglo.tw>
 Weihang Lo <me@weihanglo.tw> <weihanglo@users.noreply.github.com>