[gnome-software/wip/rancell/reviews] Only download reviews once

[Robert Ancell <rancell src gnome org>]

commit 1d94ba75618f5da5b756d6afa9ba5028f513514a
Author: Robert Ancell <robert ancell canonical com>
Date:   Wed Dec 16 17:14:51 2015 +1300

    Only download reviews once

 src/plugins/gs-plugin-ubuntu-reviews.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/src/plugins/gs-plugin-ubuntu-reviews.c b/src/plugins/gs-plugin-ubuntu-reviews.c
index 1ae7c20..7f28d17 100644
--- a/src/plugins/gs-plugin-ubuntu-reviews.c
+++ b/src/plugins/gs-plugin-ubuntu-reviews.c
@@ -227,10 +227,11 @@ gs_plugin_refine (GsPlugin *plugin,
 
        for (l = *list; l != NULL; l = l->next) {
                GsApp *app = GS_APP (l->data);
-               GPtrArray *sources;
+               GPtrArray *reviews, *sources;
                guint i;
 
-               if (gs_app_get_rating (app) != -1)
+               reviews = gs_app_get_reviews (app);
+               if (reviews->len > 0)
                        continue;
 
                sources = gs_app_get_sources (app);