cifs: minor update to list of reviewers

Add Bharath for reviewing deferred close and leases
Acked-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

MAINTAINERS

@@ -5240,6 +5240,7 @@ R:	Paulo Alcantara <pc@manguebit.com> (DFS, global name space)
 R:	Ronnie Sahlberg <ronniesahlberg@gmail.com> (directory leases, sparse files)
 R:	Shyam Prasad N <sprasad@microsoft.com> (multichannel)
 R:	Tom Talpey <tom@talpey.com> (RDMA, smbdirect)
+R:	Bharath SM <bharathsm@microsoft.com> (deferred close, directory leases)
 L:	linux-cifs@vger.kernel.org
 L:	samba-technical@lists.samba.org (moderated for non-subscribers)
 S:	Supported