[gtk+] range: Fix get_range_rect

[Matthias Clasen <matthiasc src gnome org>]

commit 4eba9442df8f5a78046ce7282602456b22fe0aea
Author: Timm Bäder <mail baedert org>
Date:   Fri Jun 30 13:21:06 2017 +0200

    range: Fix get_range_rect
    
    get_own_allocation's position is relative to the given widget's origin,
    not the parent.

 gtk/gtkrange.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkrange.c b/gtk/gtkrange.c
index 0a5fbc1..839d22c 100644
--- a/gtk/gtkrange.c
+++ b/gtk/gtkrange.c
@@ -922,7 +922,7 @@ gtk_range_get_range_rect (GtkRange     *range,
   g_return_if_fail (GTK_IS_RANGE (range));
   g_return_if_fail (range_rect != NULL);
 
-  gtk_widget_get_own_allocation (range->priv->trough_widget, range_rect);
+  gtk_widget_get_outer_allocation (range->priv->trough_widget, range_rect);
 }
 
 /**