Update XZ Utils to 5.0.3 (in deps)

version.sh

Index: version.sh
===================================================================
--- version.sh	(revision 50504)
+++ version.sh	(working copy)
@@ -1,24 +0,0 @@
-#!/bin/sh
-#
-#############################################################################
-#
-# Get the version string from version.h and print it out without
-# trailing newline. This makes it suitable for use in configure.ac.
-#
-#############################################################################
-#
-# Author: Lasse Collin
-#
-# This file has been put into the public domain.
-# You can do whatever you want with this file.
-#
-#############################################################################
-
-sed -n 's/LZMA_VERSION_STABILITY_ALPHA/alpha/
-	s/LZMA_VERSION_STABILITY_BETA/beta/
-	s/LZMA_VERSION_STABILITY_STABLE//
-	s/^#define LZMA_VERSION_[MPS][AIT][AJNT][A-Z]* //p' \
-	src/liblzma/api/lzma/version.h \
-	| tr '\n' '|' \
-	| sed 's/|/./; s/|/./; s/|//g' \
-	| tr -d '\n'