Updated to latest release. No pkgsrc changes other than the obvious. From
ChangeLog:

1.534   2013-03-26

                Added another spam detection case (mstevens)

1.533   2013-01-23

                Added two new spam detection cases (mstevens)

                Hopefully fixed tests on newer perl, at the cost of slightly
                reformatted messages. Why is Mail::DeliveryStatus::Report
                a header object anyway? (mstevens)
Updated mail/p5-Mail-DeliveryStatus-BounceParser to 1.534
libgsf 1.14.28

Andreas:
	* Fix conversion specifiers. [#703064]

Jean:
	* Allow the huge libxml parser mode so that gnumeric can load large images.
	[#705100]

Morten:
	* Fix problem with bogus metadata.  [#703952]
	* Avoid interaction problems between Werror and system headers.

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Updated devel/libgsf to 1.14.28