ldns: revert to 1.8.1.

Avoid upstream issue https://github.com/NLnetLabs/ldns/issues/183

Fixes #38669.

srcpkgs/ldns/template

@@ -1,7 +1,8 @@
 # Template file for 'ldns'
 pkgname=ldns
-version=1.8.2
-revision=1
+reverts="1.8.2_1"
+version=1.8.1
+revision=2
 build_style=gnu-configure
 configure_args="--with-drill --with-examples --disable-dane-ta-usage
  --with-trust-anchor=/etc/dns/root.key
@@ -13,7 +14,7 @@ maintainer="Leah Neukirchen <leah@vuxu.org>"
 license="BSD-3-Clause"
 homepage="http://www.nlnetlabs.nl/projects/ldns/"
 distfiles="http://www.nlnetlabs.nl/downloads/${pkgname}/${pkgname}-${version}.tar.gz"
-checksum=b92b001cdd382de653620a05445e42e17a827eec93d64ee587ad291a533cc1e9
+checksum=958229abce4d3aaa19a75c0d127666564b17216902186e952ca4aef47c6d7fa3
 
 post_install() {
 	vsed -i -e "s|\(-specs=.*hardened-ld\)||g" -e "s|\(-specs=.*hardened-cc1\)||g" ${DESTDIR}/usr/bin/ldns-config