[gtksourceview] vim: chain dispose before clearing sub-state

[Christian Hergert <chergert src gnome org>]

commit c350b38cee10c533c158674da9de2911dea3041d
Author: Christian Hergert <chergert redhat com>
Date:   Tue Apr 19 16:39:49 2022 -0700

    vim: chain dispose before clearing sub-state
    
    We want to ensure we dispose first (which will unparent the sub-state
    cleanly) before we release our pointers. Otherwise as the sub-state is
    popped, leave could be called and need access to history, etc.

 gtksourceview/vim/gtksourceviminsert.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/gtksourceview/vim/gtksourceviminsert.c b/gtksourceview/vim/gtksourceviminsert.c
index 516921a1..477ff8b8 100644
--- a/gtksourceview/vim/gtksourceviminsert.c
+++ b/gtksourceview/vim/gtksourceviminsert.c
@@ -467,14 +467,13 @@ gtk_source_vim_insert_dispose (GObject *object)
 {
        GtkSourceVimInsert *self = (GtkSourceVimInsert *)object;
 
-       g_clear_pointer (&self->prefix, g_free);
+       G_OBJECT_CLASS (gtk_source_vim_insert_parent_class)->dispose (object);
 
+       g_clear_pointer (&self->prefix, g_free);
        gtk_source_vim_state_release (&self->history);
        gtk_source_vim_state_release (&self->motion);
        gtk_source_vim_state_release (&self->selection_motion);
        gtk_source_vim_state_release (&self->text_object);
-
-       G_OBJECT_CLASS (gtk_source_vim_insert_parent_class)->dispose (object);
 }
 
 static void