git: xz: Upgrade from version 5.0.7 to 5.2.2

[John Marino]

commit cad2e3859bf175053a1355c882fe77c58fbdd508
Author: John Marino <draco at marino.st>
Date:   Tue Nov 3 12:06:24 2015 +0100

    xz: Upgrade from version 5.0.7 to 5.2.2
    
    See vendor branch commit for the many changes, including parallel
    compression with multiple threads.

Summary of changes:
 contrib/xz/README.DELETED   |  1 +
 contrib/xz/README.DRAGONFLY | 10 ++---
 lib/liblzma/Makefile        | 18 +++++----
 lib/liblzma/Symbol.map      | 93 +++------------------------------------------
 lib/liblzma/Versions.def    |  5 ++-
 lib/liblzma/config.h        | 71 +++++++++++++++++++++++++++++++---
 usr.bin/xz/Makefile         |  1 +
 7 files changed, 94 insertions(+), 105 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/cad2e3859bf175053a1355c882fe77c58fbdd508


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