adding IPV6_RECVHOPLIMIT socket option #1141

Job	Run time
Clippy	11s
Check (aarch64-apple-darwin)	31s
Rustfmt	10s
Check (aarch64-apple-ios)	29s
Test (stable)	20s
Check (aarch64-apple-tvos)	32s
Test (1.63.0)	49s
Check (aarch64-apple-watchos)	32s
Test (beta)	21s
Test (nightly)	19s
Check (aarch64-linux-android)	29s
Test (macos)	27s
Check (aarch64-unknown-freebsd)	29s
Test (windows)	52s
Check (aarch64-unknown-linux-gnu)	31s
Check (aarch64-unknown-linux-musl)	33s
Check (aarch64-unknown-netbsd)	29s
Check (aarch64-unknown-openbsd)	30s
Check (aarch64-unknown-redox)	29s
Check (arm-linux-androideabi)	31s
Check (arm64_32-apple-watchos)	29s
Check (armv7-linux-androideabi)	30s
Check (armv7-sony-vita-newlibeabihf)	34s
Check (i686-linux-android)	32s
Check (i686-unknown-linux-gnu)	30s
Check (sparcv9-sun-solaris)	29s
Check (x86_64-apple-darwin)	32s
Check (x86_64-apple-ios)	28s
Check (x86_64-pc-solaris)	29s
Check (x86_64-pc-windows-msvc)	27s
Check (x86_64-unknown-dragonfly)	29s
Check (x86_64-unknown-freebsd)	33s
Check (x86_64-unknown-fuchsia)	30s
Check (x86_64-unknown-illumos)	30s
Check (x86_64-unknown-linux-gnu)	33s
Check (x86_64-unknown-linux-musl)	28s
Check (x86_64-unknown-netbsd)	30s
Check (x86_64-unknown-openbsd)	28s
Check (x86_64-unknown-redox)	28s
	19m 3s

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