build: fix copyright date in old files.

vor 12 Jahren · 26d01d6307
--- a/caca/attr.c
+++ b/caca/attr.c
@@ -1,6 +1,6 @@
 /*
 *  libcaca       Colour ASCII-Art library
 *  Copyright (c) 2002-2010 Sam Hocevar <sam@hocevar.net>
 *  Copyright (c) 2002-2012 Sam Hocevar <sam@hocevar.net>
 *                All Rights Reserved
 *
 *  This library is free software. It comes without any warranty, to
--- a/ruby/caca-canvas.c
+++ b/ruby/caca-canvas.c
@@ -1,6 +1,6 @@
 /*
 *  libcaca Ruby bindings
 *  Copyright (c) 2007-2010 Pascal Terjan <pterjan@linuxfr.org>
 *  Copyright (c) 2007-2012 Pascal Terjan <pterjan@linuxfr.org>
 *
 *  This library is free software. It comes without any warranty, to
 *  the extent permitted by applicable law. You can redistribute it
--- a/ruby/caca-dither.c
+++ b/ruby/caca-dither.c
@@ -1,6 +1,6 @@
 /*
 *  libcaca Ruby bindings
 *  Copyright (c) 2007-2010 Pascal Terjan <pterjan@linuxfr.org>
 *  Copyright (c) 2007-2012 Pascal Terjan <pterjan@linuxfr.org>
 *
 *  This library is free software. It comes without any warranty, to
 *  the extent permitted by applicable law. You can redistribute it
--- a/ruby/caca-font.c
+++ b/ruby/caca-font.c
@@ -1,6 +1,6 @@
 /*
 *  libcaca Ruby bindings
 *  Copyright (c) 2007-2010 Pascal Terjan <pterjan@linuxfr.org>
 *  Copyright (c) 2007-2012 Pascal Terjan <pterjan@linuxfr.org>
 *
 *  This library is free software. It comes without any warranty, to
 *  the extent permitted by applicable law. You can redistribute it