[eog] Copy also wallpapers in unmountable media

[Claudio Saavedra <csaavedra src gnome org>]

commit 59343f86c198a6e25fcdb372d8a333b40a0e0e8e
Author: Claudio Saavedra <csaavedra igalia com>
Date:   Thu Sep 9 01:37:49 2010 +0300

    Copy also wallpapers in unmountable media
    
    Fixes bug #625384 - Background setting doesn't work as expected

 src/eog-window.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/eog-window.c b/src/eog-window.c
index 63157bf..bee918e 100644
--- a/src/eog-window.c
+++ b/src/eog-window.c
@@ -2953,7 +2953,8 @@ eog_window_cmd_wallpaper (GtkAction *action, gpointer user_data)
 	filename = g_file_get_path (file);
 
 	/* Currently only local files can be set as wallpaper */
-	if (filename == NULL || !g_file_is_native (file)) {
+	if (filename == NULL || !eog_util_file_is_persistent (file))
+	{
 		GList *files = NULL;
 		GtkAction *action;