[gnome-music/wip/jfelder/corealbum-gtype] corealbum: Add missing gtype_name

[Jean Felder <jfelder src gnome org>]

commit 43e91fde29cf3b1aa50910641b89bbf8e2da1221
Author: Jean Felder <jfelder src gnome org>
Date:   Fri Feb 11 12:29:00 2022 +0100

    corealbum: Add missing gtype_name

 gnomemusic/corealbum.py | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gnomemusic/corealbum.py b/gnomemusic/corealbum.py
index 6db2c051b..d0cb51deb 100644
--- a/gnomemusic/corealbum.py
+++ b/gnomemusic/corealbum.py
@@ -35,6 +35,8 @@ class CoreAlbum(GObject.GObject):
     """Exposes a Grl.Media with relevant data as properties
     """
 
+    __gtype_name__ = "CoreAlbum"
+
     artist = GObject.Property(type=str)
     composer = GObject.Property(type=str, default=None)
     duration = GObject.Property(type=int, default=0)