[mutter] build: Pass --quiet to glib-genmarshal

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

commit e9778eba188025d4ebf453281880919b1446d553
Author: Jonas Ådahl <jadahl gmail com>
Date:   Sun Jan 13 11:53:09 2019 +0100

    build: Pass --quiet to glib-genmarshal
    
    We don't need to know it read the input file really.

 clutter/clutter/meson.build | 2 +-
 src/meson.build             | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/clutter/clutter/meson.build b/clutter/clutter/meson.build
index 5b7e33b67..af5755062 100644
--- a/clutter/clutter/meson.build
+++ b/clutter/clutter/meson.build
@@ -491,7 +491,7 @@ clutter_marshal = gnome.genmarshal('clutter-marshal',
   prefix: '_clutter_marshal',
   sources: 'clutter-marshal.list',
   valist_marshallers: true,
-  extra_args: ['--prototypes'],
+  extra_args: ['--prototypes', '--quiet'],
   install_dir: clutter_clutter_includedir,
   install_header: true,
 )
diff --git a/src/meson.build b/src/meson.build
index 3eb7e72d3..ae41194ed 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -726,6 +726,7 @@ subdir('meta')
 mutter_marshal = gnome.genmarshal('meta-marshal',
   sources: ['meta-marshal.list'],
   prefix: 'meta_marshal',
+  extra_args: ['--quiet'],
   internal: true,
 )
 mutter_built_sources += mutter_marshal