[rygel] tracker: Skip null titles in meta-data container

[Jens Georg <jensgeorg src gnome org>]

commit 5ffb1f49bcf45d6e49525abbc209b2ee524792ab
Author: Jens Georg <mail jensge org>
Date:   Sun Jul 15 12:06:04 2012 +0200

    tracker: Skip null titles in meta-data container

 .../tracker/rygel-tracker-metadata-container.vala  |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/src/plugins/tracker/rygel-tracker-metadata-container.vala b/src/plugins/tracker/rygel-tracker-metadata-container.vala
index f7df86e..46784d4 100644
--- a/src/plugins/tracker/rygel-tracker-metadata-container.vala
+++ b/src/plugins/tracker/rygel-tracker-metadata-container.vala
@@ -78,7 +78,11 @@ public abstract class Rygel.Tracker.MetadataContainer : Rygel.SimpleContainer {
 
             /* Iterate through all the values */
             while (query.result.next ()) {
-                string value = query.result.get_string (0);
+                if (!query.result.is_bound (0)) {
+                    continue;
+                }
+
+                var value = query.result.get_string (0);
 
                 if (value == "") {
                     continue;