[mutter] compositor: Add copyrights for recent mipmapping changes

[Marge Bot <marge-bot src gnome org>]

commit 069e18c09d6808c5b6b49056e6760b1ddba79711
Author: Daniel van Vugt <daniel van vugt canonical com>
Date:   Wed Jul 27 16:08:46 2022 +0800

    compositor: Add copyrights for recent mipmapping changes
    
    Relating to b29a6c4d, 16fa2100, 877dc335
    
    The most recent mipmapping logic was written by Canonical and rearranged
    by Neil Moore.
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2535>

 src/compositor/meta-shaped-texture.c | 2 ++
 src/compositor/meta-texture-mipmap.c | 2 ++
 2 files changed, 4 insertions(+)
---
diff --git a/src/compositor/meta-shaped-texture.c b/src/compositor/meta-shaped-texture.c
index b8e4dff5d5..10e11d57c2 100644
--- a/src/compositor/meta-shaped-texture.c
+++ b/src/compositor/meta-shaped-texture.c
@@ -4,6 +4,8 @@
  *
  * Copyright (C) 2008 Intel Corporation
  * Copyright (C) 2012 Red Hat, Inc.
+ * Copyright (C) 2021 Canonical Ltd.
+ * Copyright (C) 2022 Neil Moore
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
diff --git a/src/compositor/meta-texture-mipmap.c b/src/compositor/meta-texture-mipmap.c
index 2ee9190e27..c28b8cbb24 100644
--- a/src/compositor/meta-texture-mipmap.c
+++ b/src/compositor/meta-texture-mipmap.c
@@ -5,6 +5,8 @@
  * Mipmap management object using OpenGL
  *
  * Copyright (C) 2009 Red Hat, Inc.
+ * Copyright (C) 2021 Canonical Ltd.
+ * Copyright (C) 2022 Neil Moore
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as