Update Rust crate libc to v0.2.171

[oxide-renovate]

This PR contains the following updates:

Package	Type	Update	Change
libc	workspace.dependencies	patch	0.2.170 -> 0.2.171

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Release Notes

rust-lang/libc (libc)

v0.2.171

Compare Source

Added

• Android: Add if_nameindex/if_freenameindex support (#​4247)
• Apple: Add missing proc types and constants (#​4310)
• BSD: Add devname (#​4285)
• Cygwin: Add PTY and group API (#​4309)
• Cygwin: Add support (#​4279)
• FreeBSD: Make spawn.h interfaces available on all FreeBSD-like systems (#​4294)
• Linux: Add AF_XDP structs for all Linux environments (#​4163)
• Linux: Add SysV semaphore constants (#​4286)
• Linux: Add F_SEAL_EXEC (#​4316)
• Linux: Add SO_PREFER_BUSY_POLL and SO_BUSY_POLL_BUDGET (#​3917)
• Linux: Add devmem structs (#​4299)
• Linux: Add socket constants up to SO_DEVMEM_DONTNEED (#​4299)
• NetBSD, OpenBSD, DragonflyBSD: Add closefrom (#​4290)
• NuttX: Add pw_passwd field to passwd (#​4222)
• Solarish: define IP_BOUND_IF and IPV6_BOUND_IF (#​4287)
• Wali: Add bindings for wasm32-wali-linux-musl target (#​4244)

Changed

• AIX: Use sa_sigaction instead of a union (#​4250)
• Make msqid_ds.__msg_cbytes public (#​4301)
• Unix: Make all major, minor, makedev into const fn (#​4208)

Deprecated

• Linux: Deprecate obsolete packet filter interfaces (#​4267)

Fixed

• Cygwin: Fix strerror_r (#​4308)
• Cygwin: Fix usage of f! (#​4308)
• Hermit: Make stat::st_size signed (#​4298)
• Linux: Correct values for SI_TIMER, SI_MESGQ, SI_ASYNCIO (#​4292)
• NuttX: Update tm_zone and d_name fields to use c_char type (#​4222)
• Xous: Include the prelude to define c_int (#​4304)

Other

• Add labels to FIXMEs (#​4231, #​4232, #​4234, #​4235, #​4236)
• CI: Fix "cannot find libc" error on Sparc64 (#​4317)
• CI: Fix "cannot find libc" error on s390x (#​4317)
• CI: Pass --no-self-update to rustup update (#​4306)
• CI: Remove tests for the i586-pc-windows-msvc target (#​4311)
• CI: Remove the check_cfg job (#​4322)
• Change the range syntax that is giving ctest problems (#​4311)
• Linux: Split out the stat struct for gnu/b32/mips (#​4276)

Removed

• NuttX: Remove pthread_set_name_np (#​4251)

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