Fix error case in filesystem model

We should not unref the model here, it might not even exist anymore.
Instead check if it exists and only use it if it does.
The unref was leftover from a previous fix in
ba9f53397ff0b86ad56166c7fc91b4d499f7aefc.

Spotted by Matthias Clasen in
https://bugzilla.gnome.org/show_bug.cgi?id=614099

diff --git a/gtk/gtkfilesystemmodel.c b/gtk/gtkfilesystemmodel.c
index 5449d30b590e2c5634f6f03d44c6ccc732402228..b3328e02f9a089eae58d90b843c16a17881d9ba8 100644 (file)
--- a/gtk/gtkfilesystemmodel.c
+++ b/gtk/gtkfilesystemmodel.c
@@ -1199,9 +1199,11 @@ gtk_file_system_model_got_enumerator (GObject *dir, GAsyncResult *res, gpointer
   enumerator = g_file_enumerate_children_finish (G_FILE (dir), res, &error);
   if (enumerator == NULL)
     {
-      g_signal_emit (model, file_system_model_signals[FINISHED_LOADING], 0, error);
-      g_object_unref (model);
-      g_error_free (error);
+      if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+      {
+        g_signal_emit (model, file_system_model_signals[FINISHED_LOADING], 0, error);
+        g_error_free (error);
+      }
     }
   else
     {