mailmap: Associate all commits by ng0 with ng0.

Signed-off-by: Leo Famulari <leo@famulari.name>

.mailmap

@@ -30,10 +30,11 @@ Ludovic Courtès <ludo@gnu.org> <ludovic.courtes@inria.fr>
 Mathieu Lirzin <mthl@gnu.org> <mthl@openmailbox.org>
 Mathieu Lirzin <mthl@gnu.org> <mathieu.lirzin@openmailbox.org>
 Nikita Karetnikov <nikita@karetnikov.org> <nikita.karetnikov@gmail.com>
-ng0 <ng0@we.make.ritual.n0.is> <ngillmann@runbox.com>
-ng0 <ng0@we.make.ritual.n0.is> <niasterisk@grrlz.net>
-ng0 <ng0@we.make.ritual.n0.is> <ng@niasterisk.space>
-ng0 <ng0@we.make.ritual.n0.is> <ng0@libertad.pw>
+ng0 <ng0@libertad.pw> <ng0@we.make.ritual.n0.is>
+ng0 <ng0@libertad.pw> <ngillmann@runbox.com>
+ng0 <ng0@libertad.pw> <niasterisk@grrlz.net>
+ng0 <ng0@libertad.pw> <ng@niasterisk.space>
+ng0 <ng0@libertad.pw>
 Pjotr Prins <pjotr.public01@thebird.nl>
 Pjotr Prins <pjotr.public01@thebird.nl> <pjotr.public12@thebird.nl>
 Raimon Grau <raimonster@gmail.com> <raimon@3scale.net>