[gdk-pixbuf/ci-update: 4/7] Use an SPDX identifier for the license field

[Emmanuele Bassi <ebassi src gnome org>]

commit 80693b9f91abbf7c2fead68b14849a5bd5493141
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Nov 9 13:37:04 2020 +0000

    Use an SPDX identifier for the license field
    
    It's still a free-form field, but we should at least adhere to a machine
    parseable standard.

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 05e04bdb66..267539d81c 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project('gdk-pixbuf', 'c',
         version: '2.42.1',
-        license: 'LGPLv2.1+',
+        license: 'LGPL-2.1-or-later',
         default_options: [
           'buildtype=debugoptimized',
           'warning_level=1',