[sound-juicer] Add disc count to AlbumDetails.

[Christophe Fergeau <teuf src gnome org>]

commit f65bc0dd87057e2d75b2d1e647dbbefdaeabbeab
Author: Phillip Wood <phillip wood dunelm org uk>
Date:   Sun Jul 8 11:13:16 2012 +0100

    Add disc count to AlbumDetails.
    
    Helps to tell multiple releases apart where one is a normal release
    and the other is a special release with a bonus disc.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=674926

 libjuicer/sj-structures.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libjuicer/sj-structures.h b/libjuicer/sj-structures.h
index a611521..e2553f9 100644
--- a/libjuicer/sj-structures.h
+++ b/libjuicer/sj-structures.h
@@ -63,6 +63,7 @@ struct _AlbumDetails {
   char *genre;
   int   number; /* number of tracks in the album */
   int   disc_number;
+  int   disc_count; /* number of discs in the album */
   GList* tracks;
   GDate *release_date; /* MusicBrainz support multiple releases per album */
   char* album_id;