Rename find_zone_keys() to dns__zone_findkeys() and move it to lib/dns/zone_p.h, so that it can be used in unit tests. Add a comment describing the purpose of this function.
Rename find_zone_keys() to dns__zone_findkeys() and move it to lib/dns/zone_p.h, so that it can be used in unit tests. Add a comment describing the purpose of this function.