NSD 4.3.9

This release contains a small number of bug fixes. The reconfig failure
is fixed for cpu-affinity config re-read. Version repository and
continuous integration files are removed from the sourcecode tarball.

4.3.9

BUG FIXES:

• Fix #198: nsd-control reconfig core dump.
• Fix to remove git tracking and ci information from release tarballs.
• Fix unit tests for new answer-cookie default.
• Fix socket_partitioning unit test for FreeBSD.
• Fix SVCB test to work around older dig with drill.