[gnome-control-center] background: Create a placeholder for manually added items

[Bastien Nocera <hadess src gnome org>]

commit 65d4ba163a5767f88418b336608dac48d826f663
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Jul 18 17:32:46 2014 +0200

    background: Create a placeholder for manually added items
    
    When adding things that might be screenshots, always create a
    placeholder if the image was added manually.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=689351

 panels/background/bg-pictures-source.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/panels/background/bg-pictures-source.c b/panels/background/bg-pictures-source.c
index 7d3986a..e3d89f5 100644
--- a/panels/background/bg-pictures-source.c
+++ b/panels/background/bg-pictures-source.c
@@ -454,7 +454,7 @@ add_single_file (BgPicturesSource     *bg_source,
                 "source-url", source_uri,
                NULL);
 
-  if (in_screenshot_types (content_type))
+  if (!ret_row_ref && in_screenshot_types (content_type))
     goto read_file;
 
   surface = get_content_loading_icon (BG_SOURCE (bg_source));