[gnome-software] Always load the fallback icon at 64x64 size

[Richard Hughes <rhughes src gnome org>]

commit 63ea210340e2eae5ba716ede048df26e44145f4b
Author: Richard Hughes <richard hughsie com>
Date:   Fri Oct 10 15:59:02 2014 +0100

    Always load the fallback icon at 64x64 size
    
    This may be just a unmolested upstream icon or an SVG.
    
    Should resolve: https://bugzilla.gnome.org/show_bug.cgi?id=738162

 src/plugins/gs-plugin-appstream.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/src/plugins/gs-plugin-appstream.c b/src/plugins/gs-plugin-appstream.c
index a1c1a18..90e87cd 100644
--- a/src/plugins/gs-plugin-appstream.c
+++ b/src/plugins/gs-plugin-appstream.c
@@ -275,7 +275,10 @@ _as_app_get_icon_for_scale (AsApp *app, gint scale, GError **error)
 
        /* fallback */
        filename = g_build_filename (icon_path, icon, NULL);
-       pixbuf = gdk_pixbuf_new_from_file (filename, error);
+       pixbuf = gdk_pixbuf_new_from_file_at_scale (filename, 64, 64,
+                                                   FALSE, error);
+       if (pixbuf == NULL)
+               goto out;
 out:
        g_free (filename_hidpi);
        g_free (filename_lodpi);