https://bugs.gentoo.org/919092
https://github.com/lxde/lxpanel/pull/70

From 914bcc3945503be2506e112883a648b867c6db57 Mon Sep 17 00:00:00 2001
From: Ravi Kant Sharma <600723+raviksharma@users.noreply.github.com>
Date: Tue, 23 Jul 2024 18:02:44 +0200
Subject: [PATCH] fix build failure on gcc-14

gcc-14 treats implicitly casting all pointer types to all other pointer types as error now.

https://gcc.gnu.org/gcc-14/porting_to.html#warnings-as-errors
---
 plugins/tray.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/tray.c b/plugins/tray.c
index 3e66b81f..42d4917c 100644
--- a/plugins/tray.c
+++ b/plugins/tray.c
@@ -631,7 +631,7 @@ static GtkWidget *tray_constructor(LXPanel *panel, config_setting_t *settings)
     /* Add GDK event filter. */
     gdk_window_add_filter(NULL, (GdkFilterFunc) tray_event_filter, tr);
     /* Reference the window since it is never added to a container. */
-    tr->invisible = g_object_ref_sink(G_OBJECT(invisible));
+    tr->invisible = (GtkWidget *) g_object_ref_sink(G_OBJECT(invisible));
     tr->invisible_window = GDK_WINDOW_XID(gtk_widget_get_window(invisible));
 
     /* Allocate top level widget and set into Plugin widget pointer. */