[glade] Fix project licence to GPL

[Juan Pablo Ugarte <jpu src gnome org>]

commit 7562ed196f006f3e72e6e84768955532d3c5a725
Author: Juan Pablo Ugarte <juanpablougarte gmail com>
Date:   Mon Jun 8 17:29:39 2020 -0300

    Fix project licence to GPL
    
    While some parts of Glade are LGPL others are GPL making it GPL in practice.

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 78f96809..e25a71d1 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project(
   'glade', 'c',
   version: '3.36.0',
-  license: 'LGPL2',
+  license: 'GPL2',
   default_options: 'buildtype=debugoptimized',
   meson_version: '>= 0.49.0',
 )