[MacPorts] #46512: Update: xz 5.2.0

[MacPorts]

#46512: Update: xz 5.2.0
-----------------------------+----------------------
  Reporter:  mschamschula@…  |      Owner:  afb@…
      Type:  update          |     Status:  new
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:
Resolution:                  |   Keywords:  haspatch
      Port:  xz              |
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Comment (by mschamschula@…):

 In the meantime xz has been updated to version 5.2.1.
 {{{
 +5.2.1 (2015-02-26)
 +
 +    * Fixed a compression-ratio regression in fast mode of LZMA1 and
 +      LZMA2. The bug is present in 5.1.4beta and 5.2.0 releases.
 +
 +    * Fixed a portability problem in xz that affected at least OpenBSD.
 +
 +    * Fixed xzdiff to be compatible with FreeBSD's mktemp which differs
 +      from most other mktemp implementations.
 +
 +    * Changed CPU core count detection to use cpuset_getaffinity() on
 +      FreeBSD.
 }}}

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Ticket URL: <https://trac.macports.org/ticket/46512#comment:2>
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