Update .mailmap file

Create by command ``` git log --raw | grep "^Author: " | sort | uniq | cut -d ' ' -f2- | sed 's/^//' > .mailmap ``` as reported by https://kevin.burke.dev/kevin/easy-maintenance-of-your-authors-file/ [ci skip]
beutlich · Dec 16, 2020 · 7a6995c · 7a6995c
1 parent 8d009bd
commit 7a6995c
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/.mailmap b/.mailmap
@@ -22,6 +22,7 @@ Christoff Bürger <Christoff.Buerger@gmail.com>
 Christoph Clauß <Christoph@7ce873d0-865f-4ce7-a662-4bb36ea78beb>
 Christoph Clauß <clauss@7ce873d0-865f-4ce7-a662-4bb36ea78beb>
 Christoph Richter <CRichter@7ce873d0-865f-4ce7-a662-4bb36ea78beb>
+Dag Brück <dag.bruck@3ds.com>
 Dag Brück <Dag@7ce873d0-865f-4ce7-a662-4bb36ea78beb>
 Dag Brück <Dag-CVS@7ce873d0-865f-4ce7-a662-4bb36ea78beb>
 Daniel Hedberg <dhedberg@7ce873d0-865f-4ce7-a662-4bb36ea78beb>