ExtUtils::PkgConfig 1.13 available

[Brian Manning <elspicyjack gmail com>]

Overview of Changes in 1.13
===========================

* Correctly handle major-only versions, like '2' (RT#68246)
* Update the test output
* Update the file manifests
* Make git ignore generated files

View the source in the Gtk2-Perl git repo at:

http://git.gnome.org/browse/perl-Glib/tag/?id=rel-1-25-2

Or download the source release at:

http://downloads.sourceforge.net/gtk2-perl/ExtUtils-PkgConfig-1.13.tar.gz

ExtUtils::PkgConfig provides a simplistic Perl interface to the
pkg-config library configuration management utility.