Update XZ Utils to 5.0.3 (in deps)

windows/README-Windows.txt

 
 XZ Utils for Windows
 ====================
 
 Introduction
 ------------
 
     This package includes command line tools (xz.exe and a few others)
     and the liblzma compression library from XZ Utils. You can find the
     latest version and full source code from <http://tukaani.org/xz/>.
 
     The parts of the XZ Utils source code, that are relevant to this
     binary package, are in the public domain. XZ Utils have been built
-    for this package with MinGW and linked statically against the MinGW
-    runtime and w32api packages.
-
-    FIXME: Add license info about MinGW runtime and w32api.
+    for this package with MinGW-w64 and linked statically against its
+    runtime libraries. See COPYING-Windows.txt for the copyright and
+    license information that applies to the MinGW-w64 runtime. You must
+    include it when redistributing these XZ Utils binaries.
 
 
 Package contents
 ----------------
 
     All executables and libraries in this package require msvcrt.dll.
     It's included in all recent Windows versions. On Windows 95 it
     might be missing, but once you get it somewhere, XZ Utils should
     run even on Windows 95.
 
@@ skipping 78 matching lines @@
     If you are using some other compiler, see its documentation how to
     create an import library (if it is needed). If it is simple, I
     might consider including the instructions here.
 
 
 Reporting bugs
 --------------
 
     Report bugs to <lasse.collin@tukaani.org> (in English or Finnish).