cpufeatures: fix macOS build (#1066) #626

Job	Run time
aarch64 (aarch64-unknown-linux-gnu, 1.72.0)	53s
aarch64 (aarch64-unknown-linux-gnu, stable)	43s
build (1.72.0, armv7a-none-eabi)	18s
cross (powerpc-unknown-linux-gnu, 1.72.0)	40s
test (i686-unknown-linux-gnu, ubuntu-latest, 1.72.0, sudo apt update && sudo apt install gcc-mult...	1m 18s
build (1.72.0, thumbv7em-none-eabi)	14s
cross (powerpc-unknown-linux-gnu, stable)	39s
test (i686-unknown-linux-gnu, ubuntu-latest, stable, sudo apt update && sudo apt install gcc-mult...	53s
build (1.72.0, wasm32-unknown-unknown)	18s
test (x86_64-unknown-linux-gnu, ubuntu-latest, 1.72.0)	19s
build (stable, armv7a-none-eabi)	15s
test (x86_64-unknown-linux-gnu, ubuntu-latest, stable)	18s
build (stable, thumbv7em-none-eabi)	17s
test (x86_64-apple-darwin, macos-latest, 1.72.0)	28s
build (stable, wasm32-unknown-unknown)	11s
test (x86_64-apple-darwin, macos-latest, stable)	19s
test (x86_64-pc-windows-msvc, windows-latest, 1.72.0)	38s
test (x86_64-pc-windows-msvc, windows-latest, stable)	2m 0s
minimal-versions / minimal-versions	45s
	11m 26s

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