Update my mailmap

Change-Id: Ia5e9b543ad1c9e21a722cf739d1469e63e2c005c
diff --git a/.mailmap b/.mailmap
index a49875d..29be995 100644
--- a/.mailmap
+++ b/.mailmap
@@ -2,4 +2,5 @@
 # <preferred e-mail> <other e-mail 1>
 # <preferred e-mail> <other e-mail 2>
 Jiajun Liu <jiajun@unitedstack.com> <iamljj@gmail.com>
-Jian Wen <jian.wen@canonical.com> <wenjianhn@gmail.com>
\ No newline at end of file
+Jian Wen <jian.wen@canonical.com> <wenjianhn@gmail.com>
+Joe Gordon <joe.gordon0@gmail.com> <jogo@cloudscaling.com>