[gnome-desktop] Fix min required meson version

[Michael Catanzaro <mcatanzaro src gnome org>]

commit b3c03b2cf8a76300bc3ab401645719b5bfb3ee3b
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sun Nov 24 12:38:04 2019 -0600

    Fix min required meson version

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 9102bd4a..6876c2c3 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gnome-desktop', 'c',
-  meson_version: '>= 0.47.0',
+  meson_version: '>= 0.49.0',
   version: '3.35.2',
   license: ['GPL2+', 'LGPL2+']
 )