[gnome-software] snap: Don't use deprecated API

[Robert Ancell <rancell src gnome org>]

commit b4e6d7292360f7dc9c119e44a5dfa0ea1fda74b7
Author: Robert Ancell <robert ancell canonical com>
Date:   Thu Nov 16 13:56:31 2017 +1300

    snap: Don't use deprecated API

 plugins/snap/gs-plugin-snap.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/plugins/snap/gs-plugin-snap.c b/plugins/snap/gs-plugin-snap.c
index adaabd9..ae8c586 100644
--- a/plugins/snap/gs-plugin-snap.c
+++ b/plugins/snap/gs-plugin-snap.c
@@ -957,12 +957,21 @@ gs_plugin_auth_login (GsPlugin *plugin, GsAuth *auth,
        g_clear_object (&priv->auth_data);
        if (priv->snapd_supports_polkit) {
                g_autoptr(SnapdClient) client = NULL;
+#ifdef SNAPD_GLIB_VERSION_1_26
+               g_autoptr(SnapdUserInformation) user_information = NULL;
+#endif
 
                client = get_client (plugin, error);
                if (client == NULL)
                        return FALSE;
 
+#ifdef SNAPD_GLIB_VERSION_1_26
+               user_information = snapd_client_login2_sync (client, gs_auth_get_username (auth), 
gs_auth_get_password (auth), gs_auth_get_pin (auth), NULL, error);
+               if (user_information != NULL)
+                       priv->auth_data = g_object_ref (snapd_user_information_get_auth_data 
(user_information));
+#else
                priv->auth_data = snapd_client_login_sync (client, gs_auth_get_username (auth), 
gs_auth_get_password (auth), gs_auth_get_pin (auth), NULL, error);
+#endif
        }
        else
                priv->auth_data = snapd_login_sync (gs_auth_get_username (auth), gs_auth_get_password (auth), 
gs_auth_get_pin (auth), NULL, error);