[Github Issue] unbound: Support for validating ECDSA DNSSEC signatures
#### **DO NOT EDIT HERE!** Copy from https://github.com/CZ-NIC/turris-os-packages/issues/4
This patch enables support for validating ECDSA signatures, which are being deployed more and more in DNSSEC.
Proper validating can be tested by observing the AD flag in following query (courtesy of Olafur Gudmundsson, CloudFlare): $ dig ds-4.alg-14-nsec.dnssec-test.org
Signed-off-by: Ondřej Caletka email@example.com