[source] xz: Update to 5.2.3

[LEDE Commits]

jow pushed a commit to source.git, branch master:
https://git.lede-project.org/54ff3b1defdb8ed34854cc30b7b31b471e5b57c8

commit 54ff3b1defdb8ed34854cc30b7b31b471e5b57c8
Author: Daniel Engberg <daniel.engberg.lists at pyret.net>
AuthorDate: Mon Jan 2 21:33:37 2017 +0100

    xz: Update to 5.2.3
    
    Update xz to 5.2.3
    
    Signed-off-by: Daniel Engberg <daniel.engberg.lists at pyret.net>
---
 tools/xz/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/xz/Makefile b/tools/xz/Makefile
index 3afc108..b803d5c 100644
--- a/tools/xz/Makefile
+++ b/tools/xz/Makefile
@@ -7,12 +7,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=xz
-PKG_VERSION:=5.2.2
+PKG_VERSION:=5.2.3
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=@SF/lzmautils \
 		http://tukaani.org/xz
-PKG_HASH:=6ff5f57a4b9167155e35e6da8b529de69270efb2b4cf3fbabf41a4ee793840b5
+PKG_HASH:=fd9ca16de1052aac899ad3495ad20dfa906c27b4a5070102a2ec35ca3a4740c1
 
 HOST_BUILD_PARALLEL:=1