package.mask: Add copyright header

Signed-off-by: Michał Górny <mgorny@gentoo.org>

diff --git a/profiles/package.mask b/profiles/package.mask
index 35d0c9f222dd1649f376389fcd3d88d1104f0ed8..d38d3f0c051caead192777f969c4daf21efa0961 100644 (file)
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -1,3 +1,6 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
 ####################################################################
 #
 # When you add an entry to the top of this file, add your name, the date