GdkWin32: Fix subclassing for GdkWin32Clipdrop

Fixes https://gitlab.gnome.org/GNOME/gtk/-/issues/5207

diff --git a/gdk/win32/gdkclipdrop-win32.h b/gdk/win32/gdkclipdrop-win32.h
index 1be94dad8ff34ac5d3a3a123ec5ee18e161de081..b71ed001073e8ecf925ae7f4a5568c184946da85 100644 (file)
--- a/gdk/win32/gdkclipdrop-win32.h
+++ b/gdk/win32/gdkclipdrop-win32.h
@@ -126,7 +126,7 @@ typedef BOOL (WINAPI * GetUpdatedClipboardFormatsFunc)(
  */
 struct _GdkWin32Clipdrop
 {
-  GObject *parent_instance;
+  GObject parent_instance;
 
   /* interned strings for well-known image formats */
   const char **known_pixbuf_formats;