[grilo] core: Increase reference in list content, not list node

[Juan A. Suarez Romero <jasuarez src gnome org>]

commit e0172c8cba65663cd8a06c10fd10757080362172
Author: Juan A. Suarez Romero <jasuarez igalia com>
Date:   Fri Sep 14 15:15:37 2012 +0200

    core: Increase reference in list content, not list node
    
    Fixes a crash when doing g_object_ref (node) instead of g_object_ref
    (node->data).
    
    Node is a GList node containing a gobject.

 src/grl-source.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/grl-source.c b/src/grl-source.c
index 7149000..3810158 100644
--- a/src/grl-source.c
+++ b/src/grl-source.c
@@ -2635,7 +2635,7 @@ store_metadata_idle (gpointer user_data)
 
   sms = g_new (GrlSourceStoreMetadataSpec, 1);
 
-  sms->source = g_object_ref (g_list_first (smrc->use_sources));
+  sms->source = g_object_ref (g_list_first (smrc->use_sources)->data);
   sms->keys = g_hash_table_lookup (smrc->map, sms->source);
   sms->media = g_object_ref (smrc->media);
   sms->callback = store_metadata_ctl_cb;