cifs: print server capabilities in DebugData

In the output of /proc/fs/cifs/DebugData, we do not
print the server->capabilities field today.
With this change, we will do that.
Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

fs/smb/client/cifs_debug.c

@@ -427,6 +427,8 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
 		if (server->nosharesock)
 			seq_printf(m, " nosharesock");
 
+		seq_printf(m, "\nServer capabilities: 0x%x", server->capabilities);
+
 		if (server->rdma)
 			seq_printf(m, "\nRDMA ");
 		seq_printf(m, "\nTCP status: %d Instance: %d"