[FFmpeg-cvslog] mailmap: add entry for myself

[Steven Liu]

ffmpeg | branch: master | Steven Liu <lq at chinaffmpeg.org> | Fri Jun 12 14:30:02 2020 +0800| [38737b3d4e03e2a089083e38cd1fd6f9b4c3ddfd] | committer: Steven Liu

mailmap: add entry for myself

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=38737b3d4e03e2a089083e38cd1fd6f9b4c3ddfd
---

 .mailmap | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.mailmap b/.mailmap
index 50b8c04526..d1925bfab0 100644
--- a/.mailmap
+++ b/.mailmap
@@ -19,3 +19,4 @@
 <andreas.rheinhardt at gmail.com> <andreas.rheinhardt at googlemail.com>
 rcombs <rcombs at rcombs.me> <rodger.combs at gmail.com>
 <thilo.borgmann at mail.de> <thilo.borgmann at googlemail.com>
+<liuqi05 at kuaishou.com> <lq at chinaffmpeg.org>