[glib/portal] Use the new portal name

[Matthias Clasen <matthiasc src gnome org>]

commit cd24296a7537b8a19fc6154aa40958e9c5174636
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Jun 21 13:48:27 2016 -0400

    Use the new portal name
    
    The portal got renamed to org.freedesktop.portal.OpenURI.

 gio/gappinfo.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gio/gappinfo.c b/gio/gappinfo.c
index f0a4967..963607b 100644
--- a/gio/gappinfo.c
+++ b/gio/gappinfo.c
@@ -713,7 +713,7 @@ launch_default_with_portal (const char         *uri,
 
   message = g_dbus_message_new_method_call ("org.freedesktop.portal.Desktop",
                                             "/org/freedesktop/portal/desktop",
-                                            "org.freedesktop.portal.AppChooser",
+                                            "org.freedesktop.portal.OpenURI",
                                             "OpenURI");
 
   g_variant_builder_init (&opt_builder, G_VARIANT_TYPE_VARDICT);