MAINTAINERS: update my email address

I'm leaving my job at Fujitsu, this email address will stop working
this week. Update it to one that I will have access to later.

Signed-off-by: Xie Changlong <xiecl.fnst@cn.fujitsu.com>
Message-id: 1492758767-19716-1-git-send-email-xiecl.fnst@cn.fujitsu.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

MAINTAINERS

@@ -1818,7 +1818,7 @@ F: tests/image-fuzzer/
 
 Replication
 M: Wen Congyang <wencongyang2@huawei.com>
-M: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
+M: Xie Changlong <xiechanglong.d@gmail.com>
 S: Supported
 F: replication*
 F: block/replication.c