[meld] dirdiff: Fix showing identical folder message when no files were shown

[Kai Willadsen <kaiw src gnome org>]

commit df8bc160cae22421766177f6dac26dd574d624ad
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sat Sep 10 07:42:52 2016 +1000

    dirdiff: Fix showing identical folder message when no files were shown

 meld/dirdiff.py |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/meld/dirdiff.py b/meld/dirdiff.py
index 708d3b0..db53951 100644
--- a/meld/dirdiff.py
+++ b/meld/dirdiff.py
@@ -797,7 +797,6 @@ class DirDiff(melddoc.MeldDoc, gnomeglade.Component):
                         # no siblings. If we're here, we have an empty tree.
                         if parent is None:
                             self.model.add_empty(it)
-                            expanded.add(tuple_tree_path(rootpath))
                             break
 
                         # Remove the current row, and then revalidate all