[seed] fix #656517 - Do not add search path entry for non-existing directory.

[Alan Knowles <alank src gnome org>]

commit 9805441749f447b7b46f6b314531542d3b4453aa
Author: Alexandre Mazari <amazari igalia com>
Date:   Thu Aug 11 18:06:27 2011 +0200

    fix #656517 - Do not add search path entry for non-existing directory.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=656517

 libseed/seed-importer.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/libseed/seed-importer.c b/libseed/seed-importer.c
index f9a6a74..0c0caf9 100644
--- a/libseed/seed-importer.c
+++ b/libseed/seed-importer.c
@@ -574,7 +574,8 @@ seed_importer_get_search_path (JSContextRef ctx, JSValueRef * exception)
 				    exception);
       entry = seed_value_to_string (ctx, entry_ref, exception);
 
-      path = g_slist_append (path, entry);
+      if (g_file_test (entry, G_FILE_TEST_EXISTS) == TRUE)
+        path = g_slist_append (path, entry);
     }
 
   return path;