Fix ioctl numbers on BSDs (#926) #3589

Job	Run time
Check nightly-only targets (nightly)	22s
Rustfmt	4s
Check (stable)	6m 10s
Check selected Tier 3 platforms (nightly)	3m 58s
Check --no-default-features (nightly)	52s
Check (nightly)	6m 16s
Check (1.63)	19m 52s
Test rustix_use_experimental_asm (powerpc64le-linux)	1m 9s
Test (ubuntu)	42s
Test use-libc (ubuntu)	38s
Test (ubuntu-20.04)	1m 3s
Test use-libc (i686-linux)	1m 13s
Test (i686-linux)	1m 30s
Test use-libc (aarch64-linux)	1m 31s
Test (aarch64-linux)	1m 39s
Test use-libc (powerpc64le-linux)	1m 27s
Test (powerpc64le-linux)	1m 11s
Test use-libc (riscv64-linux)	1m 30s
Test (riscv64-linux)	1m 5s
Test use-libc (arm-linux)	1m 4s
Test (s390x-linux)	1m 57s
Test (arm-linux)	1m 40s
Test (ubuntu-stable)	1m 3s
Test (i686-linux-stable)	56s
Test (aarch64-linux-stable)	1m 5s
Test (riscv64-linux-stable)	1m 6s
Test (s390x-linux-stable)	1m 2s
Test (powerpc64le-linux-stable)	1m 26s
Test (arm-linux-stable)	57s
Test (ubuntu-1.63)	6m 22s
Test (i686-linux-1.63)	4m 33s
Test (aarch64-linux-1.63)	9m 16s
Test (riscv64-linux-1.63)	4m 32s
Test (s390x-linux-1.63)	5m 8s
Test (powerpc64le-linux-1.63)	4m 31s
Test (arm-linux-1.63)	4m 32s
Test (macos-latest)	19m 27s
Test (macos-11)	1m 9s
Test (windows)	1m 16s
Test (windows-2019)	1m 12s
	2h 6m 26s

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