[gtk+] stylecontext: Treat empty path like no path

[Benjamin Otte <otte src gnome org>]

commit 4b2ea59dd1293f658964506cc540695924cb6499
Author: Benjamin Otte <otte redhat com>
Date:   Sat Nov 21 02:22:22 2015 +0100

    stylecontext: Treat empty path like no path
    
    This way, we don't do weird stuff when an empty path is set.

 gtk/gtkstylecontext.c |   11 ++++-------
 1 files changed, 4 insertions(+), 7 deletions(-)
---
diff --git a/gtk/gtkstylecontext.c b/gtk/gtkstylecontext.c
index d07fe1f..4a5c343 100644
--- a/gtk/gtkstylecontext.c
+++ b/gtk/gtkstylecontext.c
@@ -1076,16 +1076,13 @@ gtk_style_context_set_path (GtkStyleContext *context,
   root = gtk_style_context_get_root (context);
   g_return_if_fail (GTK_IS_CSS_PATH_NODE (root));
 
-  if (path)
+  if (path && gtk_widget_path_length (path) > 0)
     {
       GtkWidgetPath *copy = gtk_widget_path_copy (path);
       gtk_css_path_node_set_widget_path (GTK_CSS_PATH_NODE (root), copy);
-      if (gtk_widget_path_length (copy))
-        {
-          gtk_css_node_set_widget_type (root,
-                                        gtk_widget_path_iter_get_object_type (copy, -1));
-          gtk_css_node_set_name (root, gtk_widget_path_iter_get_object_name (copy, -1));
-        }
+      gtk_css_node_set_widget_type (root,
+                                    gtk_widget_path_iter_get_object_type (copy, -1));
+      gtk_css_node_set_name (root, gtk_widget_path_iter_get_object_name (copy, -1));
       gtk_widget_path_unref (copy);
     }
   else