[FFmpeg-cvslog] mailmap: add entry for myself

[Ruiling Song]

ffmpeg | branch: master | Ruiling Song <ruiling.song83 at gmail.com> | Mon Jul 13 09:37:37 2020 +0800| [7772666e5bfff27c4900942e7558a2d327df8f32] | committer: Guo, Yejun

mailmap: add entry for myself

Signed-off-by: Ruiling Song <ruiling.song83 at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7772666e5bfff27c4900942e7558a2d327df8f32
---

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

diff --git a/.mailmap b/.mailmap
index f14770d800..3bd1a85c3c 100644
--- a/.mailmap
+++ b/.mailmap
@@ -21,3 +21,4 @@
 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>
+<ruiling.song83 at gmail.com> <ruiling.song at intel.com>