Update XZ Utils to 5.0.5

src/scripts/xzless.in

 #!@POSIX_SHELL@
 
 # Copyright (C) 1998, 2002, 2006, 2007 Free Software Foundation
 
 # The original version for gzip was written by Paul Eggert.
 # Modified for XZ Utils by Andrew Dudman and Lasse Collin.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 2 of the License, or
@@ skipping 28 matching lines @@
 if test "${LESSMETACHARS+set}" != set; then
         # Work around a bug in less 394 and earlier;
         # it mishandles the metacharacters '$%=~'.
         space=' '
         tab='   '
         nl='
 '
         LESSMETACHARS="$space$tab$nl'"';*?"()<>[|&^`#\$%=~'
 fi
 
-if test "$(less -V | { read ver && echo ${ver#less }; })" -ge 429; then
+if test "$(less -V | { read less ver re && echo ${ver}; })" -ge 429; then
         # less 429 or later: LESSOPEN pipe will be used on
         # standard input if $LESSOPEN begins with |-.
         LESSOPEN="|-$xz -cdfq -- %s"
 else
         LESSOPEN="|$xz -cdfq -- %s"
 fi
 export LESSMETACHARS LESSOPEN
 
 exec less "$@"