[perl-gtk3] Load GdkPixdata introspection data if gdk-pixbuf >= 2.38.0

[Torsten Schönfeld <tsch src gnome org>]

commit 88bc49e7a21da0131b10546aa07ebdf98d18a37e
Author: Torsten Schönfeld <kaffeetisch gmx de>
Date:   Sun Jan 6 15:18:02 2019 +0100

    Load GdkPixdata introspection data if gdk-pixbuf >= 2.38.0
    
    In gdk-pixbuf 2.38.0, the GdkPixdata introspection data was split out into its
    own file.
    
    Based on a patch by gregor herrmann <gregoa debian org>.
    
    https://rt.cpan.org/Ticket/Display.html?id=127071

 lib/Gtk3.pm                      | 14 ++++++++++++++
 perl-Gtk3.doap => perl-gtk3.doap |  0
 2 files changed, 14 insertions(+)
---
diff --git a/lib/Gtk3.pm b/lib/Gtk3.pm
index 6a65487..f90af7e 100644
--- a/lib/Gtk3.pm
+++ b/lib/Gtk3.pm
@@ -60,6 +60,7 @@ and Perl packages:
   Gtk-3.0       | Gtk3
   Gdk-3.0       | Gtk3::Gdk
   GdkPixbuf-2.0 | Gtk3::Gdk
+  GdkPixdata-2.0| Gtk3::Gdk
   Pango-1.0     | Pango
 
 =cut
@@ -84,6 +85,10 @@ my $_GDK_PIXBUF_BASENAME = 'GdkPixbuf';
 my $_GDK_PIXBUF_VERSION = '2.0';
 my $_GDK_PIXBUF_PACKAGE = 'Gtk3::Gdk';
 
+my $_GDK_PIXDATA_BASENAME = 'GdkPixdata';
+my $_GDK_PIXDATA_VERSION = '2.0';
+my $_GDK_PIXDATA_PACKAGE = 'Gtk3::Gdk';
+
 my $_PANGO_BASENAME = 'Pango';
 my $_PANGO_VERSION = '1.0';
 my $_PANGO_PACKAGE = 'Pango';
@@ -471,6 +476,15 @@ sub import {
     package => $_GDK_PIXBUF_PACKAGE,
     flatten_array_ref_return_for => \@_GDK_PIXBUF_FLATTEN_ARRAY_REF_RETURN_FOR);
 
+  # In gdk-pixbuf 2.38.0, the GdkPixdata introspection information was split
+  # out into its own file.
+  if (Gtk3::Gdk::Pixbuf::CHECK_VERSION (2, 38, 0)) {
+    Glib::Object::Introspection->setup (
+      basename => $_GDK_PIXDATA_BASENAME,
+      version => $_GDK_PIXDATA_VERSION,
+      package => $_GDK_PIXDATA_PACKAGE);
+  }
+
   Glib::Object::Introspection->setup (
     basename => $_PANGO_BASENAME,
     version => $_PANGO_VERSION,
diff --git a/perl-Gtk3.doap b/perl-gtk3.doap
similarity index 100%
rename from perl-Gtk3.doap
rename to perl-gtk3.doap