[mutter] cogl/graphene: Fix license header

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

commit c35335aad8bc1896acc32f0f5cd235a20aadd3ec
Author: Jonas Ådahl <jadahl gmail com>
Date:   Thu Jan 28 17:37:33 2021 +0100

    cogl/graphene: Fix license header
    
    The intention was for these files to be licensed identically to the
    other files in cogl, so fix this.
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1690>

 cogl/cogl/cogl-graphene.c | 30 +++++++++++++++++++-----------
 cogl/cogl/cogl-graphene.h | 34 +++++++++++++++++++++-------------
 2 files changed, 40 insertions(+), 24 deletions(-)
---
diff --git a/cogl/cogl/cogl-graphene.c b/cogl/cogl/cogl-graphene.c
index d9bd3bd42c..38631db8c1 100644
--- a/cogl/cogl/cogl-graphene.c
+++ b/cogl/cogl/cogl-graphene.c
@@ -2,20 +2,28 @@
  *
  * Copyright 2020 Georges Basile Stavracas Neto <georges stavracas gmail com>
  *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
  *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
  *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * SPDX-License-Identifier: MIT
  *
- * SPDX-License-Identifier: GPL-3.0-or-later
  */
 
 #include "cogl/cogl-graphene.h"
diff --git a/cogl/cogl/cogl-graphene.h b/cogl/cogl/cogl-graphene.h
index 4206297108..cd0d2971e9 100644
--- a/cogl/cogl/cogl-graphene.h
+++ b/cogl/cogl/cogl-graphene.h
@@ -2,20 +2,28 @@
  *
  * Copyright 2020 Georges Basile Stavracas Neto <georges stavracas gmail com>
  *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * SPDX-License-Identifier: MIT
  *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- * SPDX-License-Identifier: GPL-3.0-or-later
  */
 
 #ifndef COGL_GRAPHENE_H