[tracker] libtracker-db: Fixes memory leak in db statement creation

[Martyn James Russell <mr src gnome org>]

commit ba4e64634529d629fd7baefc71a54b2257d9b4f1
Author: Martyn Russell <martyn imendio com>
Date:   Sat Jul 4 17:39:18 2009 +0100

    libtracker-db: Fixes memory leak in db statement creation

 src/libtracker-db/tracker-db-interface.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/src/libtracker-db/tracker-db-interface.c b/src/libtracker-db/tracker-db-interface.c
index 98a65c9..43b507f 100644
--- a/src/libtracker-db/tracker-db-interface.c
+++ b/src/libtracker-db/tracker-db-interface.c
@@ -256,6 +256,8 @@ tracker_db_interface_create_statement (TrackerDBInterface  *interface,
 				       const gchar	   *query,
 				       ...)
 {
+	TrackerDBStatement *stmt;
+	TrackerDBInterfaceIface *iface;
 	va_list args;
 	gchar *str;
 
@@ -266,8 +268,11 @@ tracker_db_interface_create_statement (TrackerDBInterface  *interface,
 	str = g_strdup_vprintf (query, args);
 	va_end (args);
 
-	return TRACKER_DB_INTERFACE_GET_IFACE (interface)->create_statement (interface,
-									     str);
+	iface = TRACKER_DB_INTERFACE_GET_IFACE (interface);
+	stmt = iface->create_statement (interface, str);
+	g_free (str);
+	
+	return stmt;
 }