[gtk+] Adapt to progressbar api change

[Fridrich Strba <strba src gnome org>]

commit e78851b9282c967517b15f95c24e10a119cc904d
Author: Fridrich Å trba <fridrich strba bluewin ch>
Date:   Thu Sep 2 09:41:55 2010 +0200

    Adapt to progressbar api change

 modules/engines/ms-windows/msw_style.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/modules/engines/ms-windows/msw_style.c b/modules/engines/ms-windows/msw_style.c
index 8229ad0..17dbce4 100755
--- a/modules/engines/ms-windows/msw_style.c
+++ b/modules/engines/ms-windows/msw_style.c
@@ -900,10 +900,9 @@ map_gtk_progress_bar_to_xp (GtkProgressBar *progress_bar, gboolean trough)
 {
   XpThemeElement ret;
 
-  switch (gtk_progress_bar_get_orientation (progress_bar))
+  switch (gtk_orientable_get_orientation (GTK_ORIENTABLE (progress_bar)))
     {
-    case GTK_PROGRESS_LEFT_TO_RIGHT:
-    case GTK_PROGRESS_RIGHT_TO_LEFT:
+    case GTK_ORIENTATION_HORIZONTAL:
       ret = trough
 	? XP_THEME_ELEMENT_PROGRESS_TROUGH_H
 	: XP_THEME_ELEMENT_PROGRESS_BAR_H;