problem building dev/e1000

	On a system running:

FreeBSD 13.0-CURRENT r343080  amd64

	with source tree updated at midnight last night, attempts to
build a kernel with "device em" die with:


ctfconvert -L VERSION -g efirtc.o
cc -target x86_64-unknown-freebsd13.0 --sysroot=/usr/obj/usr/src/amd64.amd64/tmp -B/usr/obj/usr/src/amd64.amd64/tmp/usr/bin -c -O2 -pipe -fno-strict-aliasing  -g -nostdinc  -I. -I/usr/src/sys -I/usr/src/sys/contrib/ck/include -I/usr/src/sys/contrib/libfdt -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h   -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -MD  -MF.depend.if_em.o -MTif_em.o -mcmodel=kernel -mno-red-zone -mno-mmx -mno-sse -msoft-float  -fno-asynchronous-unwind-tables -ffreestanding -fwrapv -fstack-protector -gdwarf-2 -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wcast-qual -Wundef -Wno-pointer-sign -D__printf__=__freebsd_kprintf__ -Wmissing-include-dirs -fdiagnostics-show-option -Wno-unknown-pragmas -Wno-error-tautological-compare -Wno-error-empty-body -Wno-error-parentheses-equality -Wno-error-unused-function -Wno-error-pointer-sign -Wno-error-shift-negative-value -Wno-address-of-packed-member  -mno-aes -mno-avx  -std=iso9899:1999 -Werror  /usr/src/sys/dev/e1000/if_em.c -I/usr/src/sys/dev/e1000
In file included from /usr/src/sys/dev/e1000/if_em.c:30:
/usr/src/sys/dev/e1000/if_em.h:91:10: fatal error: 'ifdi_if.h' file not found
#include "ifdi_if.h"
         ^~~~~~~~~~~
1 error generated.
*** Error code 1


	'ifdi_if.h' is not in the local e1000 direstory, nor is it in the
equavalent place in the svn repository on FreeBSD.org.
	Is this something I'm doing wrong?  Or is there a problem in
"if_em.h"?


			Respectfully,


				Robert Huff