Let's supress C garbage warnings as this is a Vala project

Author: lainsce

meson.build

@@ -31,6 +31,7 @@ add_project_arguments(
     '--target-glib=' + glib_min_version,
     language: ['vala'],
 )
+add_project_arguments('-w', language: 'c')
 
 libhelium_deps = [
     dependency('gio-2.0', version: '>=' + glib_min_version),
@@ -111,4 +112,4 @@ schemas_dir = get_option('prefix') / get_option('datadir') / 'glib-2.0' / 'schem
 
 install_data(settings_schemas, install_dir: schemas_dir)
 
-meson.add_install_script('glib-compile-schemas', schemas_dir)
+meson.add_install_script('glib-compile-schemas', schemas_dir)