MFC: xz 5.2.2.Relnotes: yes
Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
Remove unneeded WARNS=3 lines.It seems these two tools can be built properly with WARNS=6, even onarchitectures that are stricter about alignment.
Add two public headers missing in r207842Adjust CFLAGS for lzmainfo, xz, xzdecApproved by: delphij (mentor)MFC after: 2 weeks
Import of liblzma, xz, xzdec, lzmainfo from vendor branchAdd support for xz and lzma to lesspipe.sh (xzless, lzless)Bump __FreeBSD_versionApproved by: delphij (mentor)MFC after: 2 weeks