main/iputils: upgrade to 20210202

Upstream changed version scheme: dropped leading 's', reflect it.
Signed-off-by: Petr Vorel <petr.vorel@gmail.com>

main/iputils/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=iputils
-pkgver=20200821
+pkgver=20210202
 pkgrel=0
 pkgdesc="IP Configuration Utilities (and Ping)"
 url="https://github.com/iputils/iputils/"
@@ -8,10 +8,9 @@ arch="all"
 license="BSD-3-Clause AND GPL-2.0-or-later AND MIT"
 makedepends="libcap-dev meson"
 replaces="bbsuid"
-source="https://github.com/iputils/iputils/archive/s$pkgver.tar.gz
+source="$pkgname-$pkgver.tar.gz::https://github.com/iputils/iputils/archive/$pkgver.tar.gz
 	"
 options="!check suid"
-builddir="$srcdir/$pkgname-s$pkgver"
 
 build() {
 	abuild-meson \
@@ -43,4 +42,4 @@ package() {
 	ln -s ping "$pkgdir"/bin/ping6
 }
 
-sha512sums="4a57c3637cdd9aab2600682774e27370716cbdf1c7ac8ae61bf86c21c08701a5b697792df4aa95309b196eaa74f3cb6b2836a40f04da0e602156e982ac99d8c9  s20200821.tar.gz"
+sha512sums="af600fe74e1b78c0da66c378f55eb468d62206aaae1864693f7ec79833c9c0de95843573d1792627695f08ecfcdb4e79c354065daf178d393fcc6ef9a8a5d526  iputils-20210202.tar.gz"