[gtk: 2/3] wayland: port code to g_clear_pointer

[Jonas Ådahl <jadahl src gnome org>]

commit aa258fa17f8c9c176e57c2833bb28b2962d9577c
Author: David Edmundson <davidedmundson kde org>
Date:   Fri Oct 1 13:31:39 2021 +0100

    wayland: port code to g_clear_pointer

 gdk/wayland/gdkdisplay-wayland.c | 6 +-----
 gdk/wayland/gdksurface-wayland.c | 5 +----
 2 files changed, 2 insertions(+), 9 deletions(-)
---
diff --git a/gdk/wayland/gdkdisplay-wayland.c b/gdk/wayland/gdkdisplay-wayland.c
index 4f70a3c833..4a547b80a6 100644
--- a/gdk/wayland/gdkdisplay-wayland.c
+++ b/gdk/wayland/gdkdisplay-wayland.c
@@ -697,11 +697,7 @@ gdk_wayland_display_finalize (GObject *object)
   g_free (display_wayland->cursor_theme_name);
   xkb_context_unref (display_wayland->xkb_context);
 
-  if (display_wayland->cursor_theme)
-    {
-      wl_cursor_theme_destroy (display_wayland->cursor_theme);
-      display_wayland->cursor_theme = NULL;
-    }
+  g_clear_pointer (&display_wayland->cursor_theme, wl_cursor_theme_destroy);
 
   g_list_store_remove_all (display_wayland->monitors);
   g_object_unref (display_wayland->monitors);
diff --git a/gdk/wayland/gdksurface-wayland.c b/gdk/wayland/gdksurface-wayland.c
index 53abdc2302..11dcf6e2bd 100644
--- a/gdk/wayland/gdksurface-wayland.c
+++ b/gdk/wayland/gdksurface-wayland.c
@@ -2303,10 +2303,7 @@ gdk_wayland_toplevel_uninhibit_idle (GdkToplevel *toplevel)
   g_assert (impl->idle_inhibitor && impl->idle_inhibitor_refcount > 0);
 
   if (--impl->idle_inhibitor_refcount == 0)
-    {
-      zwp_idle_inhibitor_v1_destroy (impl->idle_inhibitor);
-      impl->idle_inhibitor = NULL;
-    }
+    g_clear_pointer (&impl->idle_inhibitor, zwp_idle_inhibitor_v1_destroy);
 }
 
 static void