libwnck: avoid segfault in invalidate_icons

srcpkgs/libwnck/patches/0001-handle-avoid-segfault-in-invalidate_icons.patch

@@ -0,0 +1,27 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Alberts=20Muktup=C4=81vels?= <alberts.muktupavels@gmail.com>
+Date: Tue, 20 Sep 2022 15:40:22 +0300
+Subject: [PATCH] handle: avoid segfault in invalidate_icons
+
+Screens variable won't be initialized if default icon sizes are
+set/changed before using wnck_screen_get_default.
+
+https://bugs.launchpad.net/ubuntu/+source/libwnck3/+bug/1990263
+---
+ libwnck/wnck-handle.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/libwnck/wnck-handle.c b/libwnck/wnck-handle.c
+index e12ff8825045..8d5da45c8787 100644
+--- a/libwnck/wnck-handle.c
++++ b/libwnck/wnck-handle.c
+@@ -70,6 +70,9 @@ invalidate_icons (WnckHandle *self)
+   Display *xdisplay;
+   int i;
+ 
++  if (self->screens == NULL)
++    return;
++
+   xdisplay = _wnck_get_default_display ();
+ 
+   for (i = 0; i < ScreenCount (xdisplay); ++i)

srcpkgs/libwnck/template

@@ -1,7 +1,7 @@
 # Template file for 'libwnck'
 pkgname=libwnck
 version=43.0
-revision=1
+revision=2
 build_style=meson
 build_helper="gir"
 configure_args="-Dintrospection=$(vopt_if gir enabled disabled)"