main/mesa: build with elfutils

libelf seems to be dead upstream

main/mesa/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=mesa
 pkgver=18.3.5
-pkgrel=1
+pkgrel=2
 pkgdesc="Mesa DRI OpenGL library"
 url="https://www.mesa3d.org"
 arch="all"
@@ -34,7 +34,7 @@ makedepends="
 	expat-dev
 	flex
 	gettext
-	libelf-dev
+	elfutils-dev
 	libtool
 	libxfixes-dev
 	libva-dev