[grilo: 3/4] grilo: Add vala bindings for Key COMPOSER

[Victor Toso <victortoso src gnome org>]

commit 21986cbe53383fa202022d26e7cf9c62d8cde355
Author: 1PunMan <saurabhsingh412 gmail com>
Date:   Mon May 28 14:06:21 2018 +0530

    grilo: Add vala bindings for Key COMPOSER
    
    Currently Grilo returns an error when the Key COMPOSER
    is used, this commit adds the binding to allow the key
    to function properly.
    
    https://gitlab.gnome.org/GNOME/grilo/issues/2

 bindings/vala/grilo-0.3-custom.vala | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/bindings/vala/grilo-0.3-custom.vala b/bindings/vala/grilo-0.3-custom.vala
index b68273a..68b9e8e 100644
--- a/bindings/vala/grilo-0.3-custom.vala
+++ b/bindings/vala/grilo-0.3-custom.vala
@@ -113,6 +113,8 @@ namespace Grl {
                public static Grl.KeyID AUDIO_TRACK;
                [CCode (cname ="GRL_METADATA_KEY_ALBUM_DISC_NUMBER")]
                public static Grl.KeyID ALBUM_DISC_NUMBER;
+               [CCode (cname ="GRL_METADATA_KEY_COMPOSER")]
+               public static Grl.KeyID COMPOSER;
                [CCode (cname ="GRL_METADATA_KEY_ALBUM_ARTIST")]
                public static Grl.KeyID ALBUM_ARTIST;