[swell-foop] meson: Use GPLv2+ license as the original code

[Robert Roth <robertroth src gnome org>]

commit 2c4172dd76f03378cbd9fc67b14927b8bc761174
Author: Robert Roth <robert roth off gmail com>
Date:   Fri Feb 9 05:08:44 2018 +0200

    meson: Use GPLv2+ license as the original code

 meson.build |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/meson.build b/meson.build
index 5620c08..97ea360 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project('swell-foop', ['c','vala'],
   version: '3.27.90.1',
   meson_version: '>= 0.37',
-  license: 'GPLv3+',
+  license: 'GPLv2+',
 )
 
 gnome = import('gnome')