[tracker] libtracker-data: Fix memory leak on updates with errors

[Jürg Billeter <juergbi src gnome org>]

commit 0a3695540a7eff0105220d6677e71eca124d0c5b
Author: Jürg Billeter <j bitron ch>
Date:   Tue Dec 1 15:34:50 2009 +0200

    libtracker-data: Fix memory leak on updates with errors

 src/libtracker-data/tracker-data-update.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/libtracker-data/tracker-data-update.c b/src/libtracker-data/tracker-data-update.c
index 488ca43..22a2fd3 100644
--- a/src/libtracker-data/tracker-data-update.c
+++ b/src/libtracker-data/tracker-data-update.c
@@ -2059,6 +2059,8 @@ tracker_data_update_sparql (const gchar  *update,
 		}
 
 		g_propagate_error (error, actual_error);
+
+		g_object_unref (sparql_query);
 		return;
 	}
 
@@ -2101,6 +2103,8 @@ tracker_data_update_sparql_blank (const gchar  *update,
 		}
 
 		g_propagate_error (error, actual_error);
+
+		g_object_unref (sparql_query);
 		return NULL;
 	}