Backport a patch to fix perl-Gtk3 build

https://bugzilla.redhat.com/show_bug.cgi?id=1676474

0001-build-Include-gdk-pixdata.c-when-building-GdkPixbuf-.patch

@@ -0,0 +1,34 @@
+From 79b4b4007db1dd4ad09d32c8461e6768cd4300bf Mon Sep 17 00:00:00 2001
+From: Iain Lane <iainl@gnome.org>
+Date: Wed, 12 Sep 2018 12:50:34 +0100
+Subject: [PATCH] build: Include gdk-pixdata.c when building GdkPixbuf-2.0.gir
+
+After the split, this wasn't included here. We need this file because
+it contains the annotations for gdk_pixbuf_new_from_inline - without
+those we generate broken introspection metadata.
+
+Closes #92
+---
+ gdk-pixbuf/meson.build | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/gdk-pixbuf/meson.build b/gdk-pixbuf/meson.build
+index 9acb2c414..9a1083a93 100644
+--- a/gdk-pixbuf/meson.build
++++ b/gdk-pixbuf/meson.build
+@@ -189,7 +189,11 @@ if build_gir
+ 
+   gdkpixbuf_gir = gnome.generate_gir(
+     gdkpixbuf,
+-    sources: gdkpixbuf_sources + gdkpixbuf_headers + gdkpixbuf_enums + [
++    sources: [
++      gdkpixbuf_sources,
++      gdkpixbuf_headers,
++      gdkpixbuf_enums,
++      gdkpixdata_sources,
+       gdk_pixbuf_features_h,
+     ],
+     namespace: 'GdkPixbuf',
+-- 
+2.20.1
+

gdk-pixbuf2.spec

@@ -2,12 +2,14 @@
 
 Name:           gdk-pixbuf2
 Version:        2.38.0
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        An image loading library
 
 License:        LGPLv2+
 URL:            http://www.gtk.org
 Source0:        http://download.gnome.org/sources/gdk-pixbuf/2.38/gdk-pixbuf-%{version}.tar.xz
+# Backported from upstream
+Patch0:         0001-build-Include-gdk-pixdata.c-when-building-GdkPixbuf-.patch
 
 BuildRequires:  gettext
 BuildRequires:  gtk-doc
@@ -143,6 +145,9 @@ gdk-pixbuf-query-loaders-%{__isa_bits} --update-cache
 %{_datadir}/installed-tests
 
 %changelog
+* Tue Feb 12 2019 Kalev Lember <klember@redhat.com> - 2.38.0-6
+- Backport a patch to fix perl-Gtk3 build (#1676474)
+
 * Thu Jan 31 2019 Fedora Release Engineering <releng@fedoraproject.org> - 2.38.0-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild