Fix contrib/fastrpz.patch to apply cleanly.  Fix for serve-stale
fixes, but it does not compile, conflicts with new rpz code.
12 February 2020: Wouter
- Fix with libnettle make test with dsa disabled.
- - Fix contrib/fastrpz.patch to apply cleanly.
+ - Fix contrib/fastrpz.patch to apply cleanly. Fix for serve-stale
+ fixes, but it does not compile, conflicts with new rpz code.
10 February 2020: George
- Document 'ub_result.was_ratelimited' in libunbound.
