Update copyright year range to include 2023. Switch to SPDX licensing format.

game-rpg/cataclysm-dda/cataclysm-dda-202206040712.ebuild

@@ -1,12 +1,12 @@
-# Copyright 1999-2022 Gentoo Authors, 2022 Inference
-# Distributed under the terms of the GNU General Public License v2
+# Copyright 1999-2022 Gentoo Authors, 2022-2023 Inference
+# SPDX-License-Identifier: GPL-2.0-only
+
 
 EAPI=8
 
 inherit cmake
 
 DESCRIPTION="A turn-based survival game set in a post-apocalyptic world."
-
 HOMEPAGE="https://cataclysmdda.org/"
 
 if [[ "${PV}" == "9999" ]]; then
@@ -19,11 +19,8 @@ else
 fi
 
 LICENSE="CC-BY-SA-3.0"
-
 SLOT="0"
-
 KEYWORDS="~amd64"
-
 DEPEND=""
 RDEPEND="${DEPEND}"
 BDEPEND=""