apk-tools: update to 2.8.0.

Use bundled libfetch, it's newer than the one Void has.

srcpkgs/apk-tools/patches/vfs.patch

@@ -1,11 +0,0 @@
---- src/database.c.orig
-+++ src/database.c
-@@ -26,6 +26,8 @@
- #include <sys/wait.h>
- #include <sys/stat.h>
- #include <sys/mount.h>
-+#include <sys/statvfs.h>
-+#include <sys/sysmacros.h>
- #include <linux/magic.h>
- 
- #include "apk_defines.h"

srcpkgs/apk-tools/template

@@ -1,23 +1,19 @@
 # Template file for 'apk-tools'
 pkgname=apk-tools
-version=2.7.2
+version=2.8.0
 revision=1
 build_style=gnu-makefile
 make_build_args="LUAAPK="
 hostmakedepends="pkg-config"
-makedepends="libressl-devel zlib-devel libfetch-devel"
+makedepends="libressl-devel zlib-devel"
 short_desc="Alpine Package Keeper (Alpine package manager)"
 maintainer="Leah Neukirchen <leah@vuxu.org>"
 license="GPL-2"
 homepage="http://git.alpinelinux.org/cgit/apk-tools"
 distfiles="http://git.alpinelinux.org/cgit/${pkgname}/snapshot/${pkgname}-${version}.tar.bz2"
-checksum=7e6b8ccd1c4573b90dd835f19836f2514a10ec7d83923a1585f44100fa122592
+checksum=e7f63e88f5f8338b2607c0099ae3c2d91d4fd5ac45969d026570878003e8629e
 CFLAGS=-Wno-error
 
-post_extract() {
-	sed -i 's,/usr/lib/libfetch.a,-lfetch,g' src/Makefile
-}
-
 do_install() {
 	vbin src/apk
 }