tests/libtest/lib670.c: fixup the copyright year range

follow-up to b54e18640ea4b7

diff --git a/tests/libtest/lib670.c b/tests/libtest/lib670.c
index 974f2ec061b8f6a03871ca00de7a759c29d4ef2f..37a2f27a2279ffd4457945085f11da934ea39a39 100644 (file)
--- a/tests/libtest/lib670.c
+++ b/tests/libtest/lib670.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms