Log Message:
Update from version 2.10 to 2.11.

Pkgsrc changes:
 o Change MAINTAINER to pkgsrc-users@ as per communication with maintainer

Upstream changes:

Authen-SASL 2.11 -- Mon Apr 21 10:23:19 CDT 2008

Enhancements
  * implement securesocket() in the ::Perl set of plugins

Bug Fixes
  * fix parsing challenges from GnuSASL
  * update tests for DIGEST-MD5
  * New test from Phil Pennock for testing final server response