[gnome-software] core: Don't try to set the runtime on a runtime

[Richard Hughes <rhughes src gnome org>]

commit 1b7ed341f0eb40feb6108a9e431d61814a9b1d24
Author: Richard Hughes <richard hughsie com>
Date:   Fri Jul 7 15:15:03 2017 +0100

    core: Don't try to set the runtime on a runtime
    
    Removes a common warning from the journal at startup.

 plugins/core/gs-appstream.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/plugins/core/gs-appstream.c b/plugins/core/gs-appstream.c
index cecf996..28d2dd4 100644
--- a/plugins/core/gs-appstream.c
+++ b/plugins/core/gs-appstream.c
@@ -379,7 +379,8 @@ gs_refine_item_management_plugin (GsPlugin *plugin, GsApp *app, AsApp *item)
                gs_app_add_source (app, as_bundle_get_id (bundle));
 
                /* automatically add runtime */
-               if (kind == AS_BUNDLE_KIND_FLATPAK) {
+               if (kind == AS_BUNDLE_KIND_FLATPAK &&
+                   gs_app_get_kind (app) != AS_APP_KIND_RUNTIME) {
                        runtime = as_bundle_get_runtime (bundle);
                        if (runtime != NULL) {
                                g_autoptr(GsApp) app2 = NULL;