Update the copyright holders list in puzzles.but.

Asher Gordon points out that when Michael Quevillon was added to the
LICENCE file in commit 8af0c2961, he didn't also make it in to the
copy of the same list in puzzles.but.

diff --git a/puzzles.but b/puzzles.but
index e22e63d54499fd5321fb9998d494f18eb676cc95..bbba6c04565276891cfc46fd8e88393e5bc9799f 100644 (file)
--- a/puzzles.but
+++ b/puzzles.but
@@ -3360,7 +3360,8 @@ This software is \i{copyright} 2004-2014 Simon Tatham.
 
 Portions copyright Richard Boulton, James Harvey, Mike Pinna, Jonas
 K\u00F6{oe}lker, Dariusz Olszewski, Michael Schierl, Lambros Lambrou,
-Bernd Schmidt, Steffen Bauer, Lennard Sprong and Rogier Goossens.
+Bernd Schmidt, Steffen Bauer, Lennard Sprong, Rogier Goossens and
+Michael Quevillon.
 
 Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation files