Update copyright

builddeb

@@ -1,8 +1,8 @@
 #!/bin/sh
-# 
-# Copyright {c} 2014-2018 Carsten Sonne Larsen  <cs@innolan.net>
+#
+# Copyright {c} 2014-2021 Carsten Sonne Larsen  <cs@innolan.net>
 # All rights reserved.
-# 
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
@@ -11,7 +11,7 @@
 # 2. Redistributions in binary form must reproduce the above copyright
 #    notice, this list of conditions and the following disclaimer in the
 #    documentation and/or other materials provided with the distribution.
-# 
+#
 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -23,10 +23,10 @@
 # LIABILITY, OR TORT {INCLUDING NEGLIGENCE OR OTHERWISE} ARISING IN ANY WAY
 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 # SUCH DAMAGE.
-# 
+#
 # Project homepage:
 # https://amath.innolan.net
-# 
+#
 
 set -e
 
@@ -103,9 +103,9 @@ chmod 0755 amath/DEBIAN/control
 echo "Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/"
 echo "Upstream-Name: amath"
 echo "Source: https://amath.innolan.net"
-echo 
+echo
 echo "Files:     *"
-echo "Copyright: 2014-2018 Carsten Sonne Larsen <cs@innolan.net>"
+echo "Copyright: 2014-2021 Carsten Sonne Larsen <cs@innolan.net>"
 echo "           2007 The NetBSD Foundation, Inc."
 echo "           1990, 1993 The Regents of the University of California."
 echo "License:   BSD-2-Clause"