[grilo] media: Add G_DEFINE_AUTOPTR_CLEANUP_FUNC

[Victor Toso <victortoso src gnome org>]

commit 317d77de3b44030e972e51d4a470870e2dc6aef4
Author: Yi-Soo An <yisooan gmail com>
Date:   Wed Jul 11 14:28:57 2018 +0900

    media: Add G_DEFINE_AUTOPTR_CLEANUP_FUNC
    
    To support g_autoptr, it is added.
    
    https://gitlab.gnome.org/GNOME/grilo/merge_requests/10

 src/data/grl-media.h | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/data/grl-media.h b/src/data/grl-media.h
index 1ce4653..8392e41 100644
--- a/src/data/grl-media.h
+++ b/src/data/grl-media.h
@@ -81,6 +81,8 @@ typedef struct _GrlMedia        GrlMedia;
 typedef struct _GrlMediaPrivate GrlMediaPrivate;
 typedef struct _GrlMediaClass   GrlMediaClass;
 
+G_DEFINE_AUTOPTR_CLEANUP_FUNC (GrlMedia, g_object_unref)
+
 struct _GrlMedia
 {
   GrlData parent;