f190c36b5d45 buildworld failure

From: Graham Perrin <grahamperrin_at_freebsd.org>
Date: Sun, 25 Jun 2023 19:57:10 UTC
 From <https://reviews.freebsd.org/P590$177>:

clang: error: linker command failed with exit code 1 (use -v to see 
invocation)
*** [dma.full] Error code 1

make[5]: stopped in /usr/src/libexec/dma/dmagent
.ERROR_TARGET='dma.full'
.ERROR_META_FILE='/usr/obj/usr/src/amd64.amd64/libexec/dma/dmagent/dma.full.meta'
.MAKE.LEVEL='5'
MAKEFILE=''
.MAKE.MODE='meta missing-filemon=yes missing-meta=yes silent=yes verbose'


<https://cgit.freebsd.org/src/log/?qt=range&q=f190c36b5d45>