Memory usage reporting for FreeBSD is incorrect #4659

Job	Run time
build-dragonflybsd-latest-gcc	2m 17s
build-macos-latest-clang	37s
build-freebsd-latest-clang	2m 11s
build-netbsd-latest-gcc	2m 59s
build-openbsd-latest-clang	2m 47s
build-solaris-latest-gcc	6m 42s
build-ubuntu-latest-clang-analyzer	1m 19s
build-ubuntu-latest-clang-sanitizer	1m 8s
build-ubuntu-latest-full-featured-clang	2m 15s
build-ubuntu-latest-full-featured-gcc	58s
build-ubuntu-latest-gcc-static	49s
build-ubuntu-latest-minimal-clang	1m 8s
build-ubuntu-latest-minimal-gcc	36s
build-ubuntu-latest-pcp	30s
lint-pcp-config	3s
lint-whitespace	4s
	26m 23s

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