[PATCH] gnu: xz: Update to 5.2.1

[宋文武 <iyzsong@gmail.com>]

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From 28016e1de7b60c8d23728b66c2dc90d6cd1e4c3c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=AE=8B=E6=96=87=E6=AD=A6?= <iyzsong@gmail.com>
Date: Sat, 12 Sep 2015 14:25:11 +0800
Subject: [PATCH] gnu: xz: Update to 5.2.1.

* gnu/packages/compression.scm (xz): Update to 5.2.1.
---
 gnu/packages/compression.scm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/compression.scm b/gnu/packages/compression.scm
index 287ae25..354f51b 100644
--- a/gnu/packages/compression.scm
+++ b/gnu/packages/compression.scm
@@ -225,14 +225,14 @@ decompression.")
 (define-public xz
   (package
    (name "xz")
-   (version "5.0.4")
+   (version "5.2.1")
    (source (origin
             (method url-fetch)
             (uri (string-append "http://tukaani.org/xz/xz-" version
                                 ".tar.gz"))
             (sha256
              (base32
-              "1dl35ca8fdss9z2d6y234gxh24ixq904xksizrjmjr5dimwhax6n"))))
+              "10a6jxxpm6gbypx5jwhqkq201y1xcvpbb7g1ga6lzrvnh1jbc65r"))))
    (build-system gnu-build-system)
    (synopsis "General-purpose data compression")
    (description
-- 
2.4.3


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This seem trigger the rebuild of everything, should I push it into
the current 'core-updates' or wait for a next cycle?