[glib] gdbus: Fix leak in g_dbus_message_print()

[Colin Walters <walters src gnome org>]

commit a4012abbdf2c6c095ae34a97dca760b2446436aa
Author: Christophe Fergeau <cfergeau redhat com>
Date:   Wed Sep 17 17:00:03 2014 +0200

    gdbus: Fix leak in g_dbus_message_print()
    
    This leak only happens when using G_DBUS_DEBUG=message or similar, but
    it's nicer to be valgrind-clean even in these cases.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=736810

 gio/gdbusmessage.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gio/gdbusmessage.c b/gio/gdbusmessage.c
index c6c557f..6b3ca77 100644
--- a/gio/gdbusmessage.c
+++ b/gio/gdbusmessage.c
@@ -3444,6 +3444,7 @@ g_dbus_message_print (GDBusMessage *message,
     {
       g_string_append_printf (str, "%*s  (none)\n", indent, "");
     }
+  g_list_free (keys);
   g_string_append_printf (str, "%*sBody: ", indent, "");
   if (message->body != NULL)
     {