Fix a bug in trust anchors verification.
We were not reseting the keynode value when iterating over DNSKEYs in RRSET, so we weren't checking all DNSKEYs against all trust anchors. This commit fixes the issue by resetting keynode with every loop.
We were not reseting the keynode value when iterating over DNSKEYs in RRSET, so we weren't checking all DNSKEYs against all trust anchors. This commit fixes the issue by resetting keynode with every loop.