[grilo] annotations: Fixed 'lookup_source' annotation

[Victor Manuel Jaquez Leal <vjaquez src gnome org>]

commit c7a99223dc547b7697b6e4bb5b859691daf9174a
Author: Simón Pena <spenap gmail com>
Date:   Wed Aug 25 17:08:48 2010 +0200

    annotations: Fixed 'lookup_source' annotation
    
    lookup_source method must be 'transfer-none'

 src/grl-plugin-registry.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/grl-plugin-registry.c b/src/grl-plugin-registry.c
index f5aced7..b450a60 100644
--- a/src/grl-plugin-registry.c
+++ b/src/grl-plugin-registry.c
@@ -526,7 +526,7 @@ grl_plugin_registry_load_all (GrlPluginRegistry *registry)
  *
  * This function will search and retrieve a source given its identifier.
  *
- * Returns: (allow-none): The source found.
+ * Returns: (allow-none) (transfer none): The source found.
  */
 GrlMediaPlugin *
 grl_plugin_registry_lookup_source (GrlPluginRegistry *registry,