[gnome-games] grilo-media: Add genre & publication-date metadata keys

[Adrien Plazas <aplazas src gnome org>]

commit 148d7f150f5250fe84f0ea0b5fd9b38969dad373
Author: 1PunMan <saurabhsingh412 gmail com>
Date:   Tue Jun 26 01:10:46 2018 +0530

    grilo-media: Add genre & publication-date metadata keys

 src/grilo/grilo-media.vala | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/src/grilo/grilo-media.vala b/src/grilo/grilo-media.vala
index 7e6a1e8..dff5143 100644
--- a/src/grilo/grilo-media.vala
+++ b/src/grilo/grilo-media.vala
@@ -72,7 +72,9 @@ public class Games.GriloMedia : Object {
                base_media.set_mime (mime_type);
 
                var keys = Grl.MetadataKey.list_new (Grl.MetadataKey.THUMBNAIL,
-                                                    null);
+                                                    Grl.MetadataKey.PUBLICATION_DATE,
+                                                    Grl.MetadataKey.GENRE,
+                                                    Grl.MetadataKey.INVALID);
 
                var options = new Grl.OperationOptions (null);
                options.set_resolution_flags (Grl.ResolutionFlags.FULL);