[gnome-software] fwupd: Fix critical warning with new versions of the daemon

[Richard Hughes <rhughes src gnome org>]

commit 0f891c3f048598697118f030bed85b5184e76d2e
Author: Richard Hughes <richard hughsie com>
Date:   Sat Aug 5 13:48:16 2017 +0100

    fwupd: Fix critical warning with new versions of the daemon

 plugins/fwupd/gs-plugin-fwupd.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/plugins/fwupd/gs-plugin-fwupd.c b/plugins/fwupd/gs-plugin-fwupd.c
index 9feadba..108b48b 100644
--- a/plugins/fwupd/gs-plugin-fwupd.c
+++ b/plugins/fwupd/gs-plugin-fwupd.c
@@ -243,6 +243,10 @@ gs_plugin_fwupd_setup_remote (GsPlugin *plugin, FwupdRemote *remote, GError **er
        GsPluginData *priv = gs_plugin_get_data (plugin);
        g_autofree gchar *filename_asc = NULL;
 
+       /* we do not need to refresh local remotes */
+       if (fwupd_remote_get_kind (remote) != FWUPD_REMOTE_KIND_DOWNLOAD)
+               return TRUE;
+
        /* find the name of the signature file in the cache */
        filename_asc = gs_utils_get_cache_filename ("firmware",
                                                    fwupd_remote_get_filename_asc (remote),