update copyright for 2020

1 files changed, 1 insertions, 1 deletions

diff --git a/nthash.c b/nthash.c
index 5d3e29f..84d7585 100644
--- a/nthash.c
+++ b/nthash.c
@@ -1,5 +1,5 @@
 /*
- * (C) 2012-2019 by Christian Hesse <mail@eworm.de>
+ * (C) 2012-2020 by Christian Hesse <mail@eworm.de>
  *
  * This software may be used and distributed according to the terms
  * of the GNU General Public License, incorporated herein by reference.