[gtk+] GtkProgressBar: Set orientable style classes initially

[Matthias Clasen <matthiasc src gnome org>]

commit 18a92992a0b2129635e13c3315423af546c4b6e3
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jul 18 19:39:11 2014 -0400

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

 gtk/gtkprogressbar.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkprogressbar.c b/gtk/gtkprogressbar.c
index 9291982..6539921 100644
--- a/gtk/gtkprogressbar.c
+++ b/gtk/gtkprogressbar.c
@@ -322,6 +322,7 @@ gtk_progress_bar_init (GtkProgressBar *pbar)
   priv->fraction = 0.0;
 
   gtk_widget_set_has_window (GTK_WIDGET (pbar), FALSE);
+  _gtk_orientable_set_style_classes (GTK_ORIENTABLE (pbar));
 }
 
 static void