error building scsi_da.c with recent current

here's the error i'm getting when building:
/usr/home/pete/git/freebsd/sys/cam/scsi/scsi_da.c:1544:28: error: expected
identifier
SYSCTL_INT64(_kern_cam_da, OID_AUTO, default_max_delete, CTLFLAG_RWTUN,
                           ^
/usr/home/pete/git/freebsd/sys/sys/sysctl.h:126:18: note: expanded from
macro 'OID_AUTO'
#define OID_AUTO        (-1)
                        ^
/usr/home/pete/git/freebsd/sys/cam/scsi/scsi_da.c:1544:1: error: type
specifier missing, defaults to 'int' [-Werror,-Wimplicit-int]
SYSCTL_INT64(_kern_cam_da, OID_AUTO, default_max_delete, CTLFLAG_RWTUN,
^
/usr/home/pete/git/freebsd/sys/cam/scsi/scsi_da.c:1544:13: error: this
function declaration is not a prototype [-Werror,-Wstrict-prototypes]
SYSCTL_INT64(_kern_cam_da, OID_AUTO, default_max_delete, CTLFLAG_RWTUN,
            ^
3 errors generated.
*** [scsi_da.o] Error code 1



might be this commit?
commit 5fa79c6768be78d78815156f8ecf50cb2008233f (HEAD -> master,
origin/master, origin/HEAD)
Author: imp <imp_at_FreeBSD.org> <imp_at_FreeBSD.org>
Date:   Mon Dec 16 18:16:44 2019 +0000

    Implement a system-wide limit or da and ada devices for delete.

    Excesively large TRIMs can result in timeouts, which cause big
    problems. Limit trims to 1GB to mititgate these issues.

    Reviewed by: scottl
    Differential Revision: https://reviews.freebsd.org/D22809



if there is any additional info needed happy to provide it.

cheers,
-pete

-- 
pete wright
www.nomadlogic.org
_at_nomadlogicLA