[gnome-software] search provider: Don't crash for apps with missing icons

[Kalev Lember <klember src gnome org>]

commit 93ce15f540cb54671de65111c50054a73b2c8d78
Author: Kalev Lember <kalevlember gmail com>
Date:   Mon Mar 31 23:21:18 2014 +0200

    search provider: Don't crash for apps with missing icons
    
    https://bugzilla.redhat.com/show_bug.cgi?id=1082810

 src/gs-shell-search-provider.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/gs-shell-search-provider.c b/src/gs-shell-search-provider.c
index b578a53..0a53b30 100644
--- a/src/gs-shell-search-provider.c
+++ b/src/gs-shell-search-provider.c
@@ -225,7 +225,8 @@ handle_get_result_metas (GsShellSearchProvider2        *skeleton,
                g_variant_builder_add (&meta, "{sv}", "id", g_variant_new_string (gs_app_get_id (app)));
                g_variant_builder_add (&meta, "{sv}", "name", g_variant_new_string (gs_app_get_name (app)));
                pixbuf = gs_app_get_pixbuf (app);
-               g_variant_builder_add (&meta, "{sv}", "icon", g_icon_serialize (G_ICON (pixbuf)));
+               if (pixbuf != NULL)
+                       g_variant_builder_add (&meta, "{sv}", "icon", g_icon_serialize (G_ICON (pixbuf)));
                g_variant_builder_add (&meta, "{sv}", "description", g_variant_new_string (gs_app_get_summary 
(app)));
                meta_variant = g_variant_builder_end (&meta);
                g_hash_table_insert (self->metas_cache, g_strdup (gs_app_get_id (app)), g_variant_ref_sink 
(meta_variant));