NO BUG - Use ato's new address. r=me

DONTBUILD MozReview-Commit-ID: Gd2BJUBEQU6
2018-02-26 15:37:24 +00:00 · 2018-02-26 15:37:24 +00:00 · cb40f0624d
--- a/.mailmap
+++ b/.mailmap
@ -1 +1,2 @@
+Andreas Tolfsen <ato@sny.no> <ato@mozilla.com>
 Nika Layzell <nika@thelayzells.com> Michael Layzell <michael@thelayzells.com>