smb: smbdirect: divide, not multiply, milliseconds by 1000

smb: smbdirect: divide, not multiply, milliseconds by 1000

Unless smbdirect_connection_legacy_debug_proc_show()
wants to debug-log keep_alive_interval as microseconds,
a magnitude higher precision than available by the way,
keepalive_interval_msec should not be multiplied by 1000.

Fixes: cc55f65dd352 ("smb: client: make use of common smbdirect_socket_parameters")
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Steve French <stfrench@microsoft.com>