Accepting request 578628 from home:jubalh:branches:server:dns

- Update to 4.1.20:
  + Fix memory leak in zone file read of unknown rr formatted RRs.
  + Fix memory leak when rehashing nsec3 after axfr or zonefile
    read, in the selectively allocated precompiled nsec3 hashes.

OBS-URL: https://build.opensuse.org/request/show/578628
OBS-URL: https://build.opensuse.org/package/show/server:dns/nsd?expand=0&rev=44

nsd.spec

@@ -23,7 +23,7 @@
 %define zonesdir   %{configdir}/zones
 %define pidfile    %{_rundir}/nsd/nsd.pid
 Name:           nsd
-Version:        4.1.19
+Version:        4.1.20
 Release:        0
 #
 Summary:        An authoritative-only domain name server