.mailmap: Combine more (name, email) to individual persons

Signed-off-by: Stefan Beller <stefanbeller@googlemail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

.mailmap

@@ -21,9 +21,11 @@ Aneesh Kumar K.V <aneesh.kumar@gmail.com>
 Amos Waterland <apw@debian.org> <apw@rossby.metr.ou.edu>
 Amos Waterland <apw@debian.org> <apw@us.ibm.com>
 Ben Walton <bdwalton@gmail.com> <bwalton@artsci.utoronto.ca>
+Benoit Sigoure <tsunanet@gmail.com> <tsuna@lrde.epita.fr>
 Bernt Hansen <bernt@norang.ca> <bernt@alumni.uwaterloo.ca>
 Brandon Casey <drafnel@gmail.com> <casey@nrlssc.navy.mil>
-Brian M. Carlson <sandals@crustytoothpaste.ath.cx>
+brian m. carlson <sandals@crustytoothpaste.ath.cx> Brian M. Carlson <sandals@crustytoothpaste.ath.cx>
+brian m. carlson <sandals@crustytoothpaste.ath.cx> <sandals@crustytoothpaste.net>
 Bryan Larsen <bryan@larsen.st> <bryan.larsen@gmail.com>
 Bryan Larsen <bryan@larsen.st> <bryanlarsen@yahoo.com>
 Cheng Renquan <crquan@gmail.com>