[gtk+] GtkPaned: Set orientable style classes initially

[Matthias Clasen <matthiasc src gnome org>]

commit 9b4001ed002b9e641ba49a1af1a261ef4d4a5471
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jul 18 19:38:56 2014 -0400

    GtkPaned: Set orientable style classes initially
    
    This was an omission, horizontal/vertical would only be set
    when the orientation is changed.

 gtk/gtkpaned.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkpaned.c b/gtk/gtkpaned.c
index ae2f786..2855a29 100644
--- a/gtk/gtkpaned.c
+++ b/gtk/gtkpaned.c
@@ -789,6 +789,8 @@ gtk_paned_init (GtkPaned *paned)
   priv->handle_pos.x = -1;
   priv->handle_pos.y = -1;
 
+  _gtk_orientable_set_style_classes (GTK_ORIENTABLE (paned));
+
   gesture = gtk_gesture_pan_new (GTK_WIDGET (paned),
                                  GTK_ORIENTATION_HORIZONTAL);
   gtk_gesture_single_set_touch_only (GTK_GESTURE_SINGLE (gesture), FALSE);