Log Message:
Updated py-bsddb3 to 6.2.4.

6.2.4:
  * More complete fix for pkgsrc.

6.2.3:
  * Update copyright notices.
  * Solve a conflict between different installations of Berkeley DB
    on some pkgsrc configurations.

6.2.2:
  * Correctly detect Berkeley DB installations in SmartOS native zones.
  * "Probably" (not tested) correctly detect Berkeley DB in pkgsrc systems.