Merge pull request #6594 from chenji-kael/patch-2

Update .mailmap

.mailmap

@@ -109,6 +109,7 @@ James Page <james.page@ubuntu.com> <jamespage@ubuntu.com>
 Jason Dillaman <dillaman@redhat.com> <jdillaman@redhat.com>
 Jean-Charles Lopez <jelopez@redhat.com> jeanchlopez <jelopez@redhat.com>
 Jeff Epstein <jepst79@gmail.com> <jepst79@gmail.com>
+Ji Chen <insomnia@139.com> <insomnia@139.com>
 Jiang Heng <jiangheng0511@gmail.com> jiangheng <jiangheng0511@gmail.com>
 Jiantao He <hejiantao5@gmail.com> hejiantao5 <hejiantao5@gmail.com>
 Jian Wen <wenjian@letv.com> <wenjianhn@gmail.com>