Merge branch 'master' of github.com:NLnetLabs/unbound

diff --cc doc/Changelog
index 70e71ab93ae613c990298684d7173c0267a2af08,fd271ea5f4082d0444a551ed0ec6ad5eb3776841..b779a58c409fb401072971f77f864a23163f1891
--- 1/doc/Changelog
--- 2/doc/Changelog
+++ b/doc/Changelog
@@@ -1,6 -1,6 +1,9 @@@
 +16 April 2020: Wouter
 +      - Fix help return code in unbound-control-setup script.
 +
+ 15 April 2020: George
+       - Fix #220: auth-zone section in config may lead to segfault.
+ 
  7 April 2020: Wouter
        - Merge PR #214 from gearnode: unbound-control-setup recreate
          certificates.  With the -r option the certificates are created