4786. [cleanup] Turn nsec3param_salt_totext() into a public function,
dns_nsec3param_salttotext(), and add unit tests for it.
[RT #46289]
(cherry picked from commit 5e1ca7a326)
4786. [cleanup] Turn nsec3param_salt_totext() into a public function,
dns_nsec3param_salttotext(), and add unit tests for it.
[RT #46289]
(cherry picked from commit 5e1ca7a326)