[gom] gom: Fix reference leak when using GomResourceGroup

[Bastien Nocera <hadess src gnome org>]

commit 41ae0624806afc90d68ea9496f3f5aa2e06e8ba0
Author: Bastien Nocera <hadess hadess net>
Date:   Tue May 13 20:53:28 2014 +0200

    gom: Fix reference leak when using GomResourceGroup

 gom/gom-resource-group.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gom/gom-resource-group.c b/gom/gom-resource-group.c
index e24ca31..e832148 100644
--- a/gom/gom-resource-group.c
+++ b/gom/gom-resource-group.c
@@ -449,6 +449,7 @@ gom_resource_group_finalize (GObject *object)
 {
    GomResourceGroupPrivate *priv = GOM_RESOURCE_GROUP(object)->priv;
 
+   g_clear_object(&priv->repository);
    g_clear_object(&priv->adapter);
    g_clear_object(&priv->filter);
    g_clear_pointer(&priv->items, g_hash_table_unref);