[gtk+/gtk-2-24] treeview: properly remove the timeout in expand_collapse_timeout()

[Michael Natterer <mitch src gnome org>]

commit 1f8d021d3023830e3701c304859f789dd30bd0d9
Author: Michael Natterer <mitch gimp org>
Date:   Wed Apr 2 00:04:50 2014 +0200

    treeview: properly remove the timeout in expand_collapse_timeout()
    
    or it will later warn about removing a source that doesn't exist.

 gtk/gtktreeview.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtktreeview.c b/gtk/gtktreeview.c
index eccd20c..f63419f 100644
--- a/gtk/gtktreeview.c
+++ b/gtk/gtktreeview.c
@@ -11866,7 +11866,13 @@ gtk_tree_view_expand_all (GtkTreeView *tree_view)
 static gboolean
 expand_collapse_timeout (gpointer data)
 {
-  return do_expand_collapse (data);
+  GtkTreeView *tree_view = GTK_TREE_VIEW (data);
+  gboolean retval = do_expand_collapse (data);
+
+  if (! retval)
+    remove_expand_collapse_timeout (tree_view);
+
+  return retval;
 }
 
 static void