13438 Update prototypes to 2021
Reviewed by: Andy Fiddaman <andy@omnios.org>
Reviewed by: Toomas Soome <tsoome@me.com>
Approved by: Robert Mustacchi <rm@fingolfin.org>

@@ -8,11 +8,11 @@
 # source.  A copy of the CDDL is also available via the Internet at
 # http://www.illumos.org/license/CDDL.
 #
 
 #
-# Copyright 2020 <contributor>
+# Copyright 2021 <contributor>
 #
 
 #
 # MAPFILE HEADER START
 #