1. Update my university email to my personal Gmail, as the former will
   expire after graduation.
2. Fix a typo in my Gmail domain.

Signed-off-by: Linfeng Sun <linfeng.sun.dev@gmail.com>
---
 .mailmap | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.mailmap b/.mailmap
index 8079e9560748..f388fd5cdbdf 100644
--- a/.mailmap
+++ b/.mailmap
@@ -521,6 +521,8 @@ Leo Yan <leo.yan@linux.dev> <leo.yan@linaro.org>
 Liam R. Howlett <liam@infradead.org> <Liam.Howlett@oracle.com>
 Liam Mark <quic_lmark@quicinc.com> <lmark@codeaurora.org>
 Linas Vepstas <linas@austin.ibm.com>
+Linfeng Sun <linfeng.sun.dev@gmail.com> <slf@hdu.edu.cn>
+Linfeng Sun <linfeng.sun.dev@gmail.com> <linfeng.sun.dev@gamil.com>
 Linus Lüssing <linus.luessing@c0d3.blue> <linus.luessing@ascom.ch>
 Linus Lüssing <linus.luessing@c0d3.blue> <linus.luessing@web.de>
 Linus Lüssing <linus.luessing@c0d3.blue> <ll@simonwunderlich.de>
-- 
2.55.0