use epatch to apply patch

Package-Manager: portage-2.2.20.1

games-puzzle/bastet/bastet-0.43.ebuild

@@ -14,10 +14,13 @@ SLOT="0"
 KEYWORDS="amd64 ~ppc ~ppc64 x86"
 IUSE=""
 
-DEPEND="sys-libs/ncurses
-	dev-libs/boost"
-RDEPEND="${DEPEND}"
-PATCHES=( "${FILESDIR}"/${P}-gentoo.patch )
+DEPEND="sys-libs/ncurses:0
+	dev-libs/boost:0"
+RDEPEND=${DEPEND}
+
+src_prepare() {
+	epatch "${FILESDIR}"/${P}-gentoo.patch
+}
 
 src_install() {
 	dogamesbin bastet