[gtk: 1/2] GdkWin32: Fix subclassing for GdkWin32Clipdrop

[Luca Bacci <lbacci src gnome org>]

commit e2219858ae46158b899314c57a21013739d644e6
Author: Luca Bacci <luca bacci982 gmail com>
Date:   Mon Sep 26 14:34:24 2022 +0200

    GdkWin32: Fix subclassing for GdkWin32Clipdrop
    
    Fixes https://gitlab.gnome.org/GNOME/gtk/-/issues/5207

 gdk/win32/gdkclipdrop-win32.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gdk/win32/gdkclipdrop-win32.h b/gdk/win32/gdkclipdrop-win32.h
index 1be94dad8f..b71ed00107 100644
--- 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;