Log Message:
databases/ruby-activeldap: update to 6.0.2

Update ruby-activeldap to 6.0.2.

pkgsrc change: remove RUBY_VERSIONS_INCOMPATIBLE for ruby24.

6.0.2: 2020-05-19 {#release-6-0-2}

Improvements

* Added options to {ActiveLdap::Persistance#reload}.
  [GitHub#176][Reported by Kevin McCormack]

* jndi: Improved DN escaping. [GitHub#178][Patch by Kevin McCormack]

Thanks

* Kevin McCormack