Log Message:
Update p5-gtk2 to 1.249.

Overview of changes in Gtk2 1.249
=================================

* Eliminate test failures by using unique temp directories during testing

Overview of changes in Gtk2 1.248
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* Avoid misusing the macro PL_na, thus preventing issues when Gtk2 is used in
  conjunction with certain XS modules, among them XML::Parser and
  String::Approx.

Overview of changes in Gtk2 1.247
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* Require Glib 1.280 for the fixes to custom signal marshalling.
* Fix a test failure in t/GtkRecentChooser.t.
* Created %meta_merge which follows v2 of CPAN Meta Spec
  - %meta_merge is used for generating metadata via
    ExtUtils::MakeMaker/CPAN::Meta

Overview of changes in Gtk2 1.246
=================================

* Improve the failure diagnostics of some tests

Overview of changes in Gtk2 1.245
=================================

* Fix two test failures.

Overview of changes in Gtk2 1.244
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* Disable the correct potentially annoying test for GtkDnD.
* Tell CPAN to some ignore POD fragments