[gnome-control-center] project: Require meson 0.50.0

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 6fb41e8080c433c54cf745fa10dc86d255dc1ab9
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Wed Jun 19 12:40:23 2019 -0300

    project: Require meson 0.50.0

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 5856aa2bf..b0e5faf82 100644
--- a/meson.build
+++ b/meson.build
@@ -2,7 +2,7 @@ project(
   'gnome-control-center', 'c',
         version : '3.32.1',
         license : 'GPL2+',
-  meson_version : '>= 0.48.0'
+  meson_version : '>= 0.50.0'
 )
 
 control_center_prefix = get_option('prefix')