[librest] tests/lastfm: Fix memory leak

[Christophe Fergeau <teuf src gnome org>]

commit 75b2da5c7ab481992dec69a7aead04ef3dbb3609
Author: Christophe Fergeau <cfergeau redhat com>
Date:   Tue Sep 2 18:40:39 2014 +0200

    tests/lastfm: Fix memory leak
    
    https://bugzilla.gnome.org/show_bug.cgi?id=735921

 tests/lastfm.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/tests/lastfm.c b/tests/lastfm.c
index 4b281ae..fba2fe2 100644
--- a/tests/lastfm.c
+++ b/tests/lastfm.c
@@ -79,6 +79,7 @@ main (int argc, char **argv)
   g_assert_cmpstr (node->content, ==, USERNAME);
 
   rest_xml_node_unref (root);
+  g_object_unref (parser);
   g_object_unref (call);
 
   g_object_unref (proxy);