[mutter] meson: Bump meson requirement to 0.50.0

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

commit 62de4b4f82a6b5dadc07a04fe3558f1c0111fbdb
Author: Marco Trevisan (Treviño) <mail 3v1n0 net>
Date:   Tue May 21 12:23:42 2019 -0500

    meson: Bump meson requirement to 0.50.0
    
    We've been using configure_file's `install` property for some time now, but this
    has been officially supported and works as expected only since meson 0.50, so,
    bump version to avoid warnings and ensure the behavior is the one we want.
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/585

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 9d600377f..0c57cb6b4 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project('mutter', 'c',
   version: '3.33.1',
-  meson_version: '>= 0.48.0',
+  meson_version: '>= 0.50.0',
   license: 'GPLv2+'
 )