[tracker] libtracker-common: Fixed compiler warning

[Philip Van Hoof <pvanhoof src gnome org>]

commit 04331c58ec3649d5a3188875512fde188d8768bf
Author: Philip Van Hoof <philip codeminded be>
Date:   Tue Sep 21 11:27:04 2010 +0200

    libtracker-common: Fixed compiler warning

 src/libtracker-common/tracker-dbus.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/libtracker-common/tracker-dbus.c b/src/libtracker-common/tracker-dbus.c
index b20fe2f..1f0aac4 100644
--- a/src/libtracker-common/tracker-dbus.c
+++ b/src/libtracker-common/tracker-dbus.c
@@ -728,7 +728,7 @@ dbus_send_and_splice_get_variable_names (DBusMessage *message,
 
 	g_ptr_array_add (found, NULL);
 
-	return g_ptr_array_free (found, FALSE);
+	return (GStrv) g_ptr_array_free (found, FALSE);
 }
 
 /*