From cbd013d7b274e756b5e2d35e7c09a9f7e4834f2a Mon Sep 17 00:00:00 2001
From: Jehan <jehan@girinstud.io>
Date: Tue, 6 May 2025 13:01:42 +0200
Subject: [PATCH] Issue #13189: free the slice with g_slice_free().

Even though this is mostly the same thing now, it's only true since GLib
2.76, yet our AppImage uses GLib 2.74.6. This explains why the chooser
finalization was crashing plug-ins.
---
 libgimp/gimpgradientchooser.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libgimp/gimpgradientchooser.c b/libgimp/gimpgradientchooser.c
index cd0d267de6..fbb2a468d5 100644
--- a/libgimp/gimpgradientchooser.c
+++ b/libgimp/gimpgradientchooser.c
@@ -141,7 +141,7 @@ gimp_gradient_chooser_finalize (GObject *object)
   GimpGradientChooser *self = GIMP_GRADIENT_CHOOSER (object);
 
   g_free (self->local_grad_data->data);
-  g_free (self->local_grad_data);
+  g_slice_free (GimpGradientPreviewData, self->local_grad_data);
 
   /* chain up. */
   G_OBJECT_CLASS (gimp_gradient_chooser_parent_class)->finalize (object);