Updating mail/p5-Email-Address from 1.889nb2 to 1.892

pkgsrc changes:
- adjust license

Upstream changes:
1.892    2010-09-02
          revert all behavior to 1.889

1.891    2010-08-30
          rework domainless address feature to work on perl5.8 (Alex Vandiver)

1.890    2010-08-22
          allow domainless addresses (if requested) (thanks, Alex Vandiver)

(sno)