[gtk+] overlay: Fix child widget allocation

[Timm Bäder <baedert src gnome org>]

commit e92eebb4349fafc719177c46dd4cd314e20822d7
Author: Timm Bäder <mail baedert org>
Date:   Thu Jul 20 12:40:46 2017 +0200

    overlay: Fix child widget allocation
    
    Just adding the overlay's own position is wrong now.

 gtk/gtkoverlay.c |    7 +------
 1 files changed, 1 insertions(+), 6 deletions(-)
---
diff --git a/gtk/gtkoverlay.c b/gtk/gtkoverlay.c
index 3e1de96..9c46f34 100644
--- a/gtk/gtkoverlay.c
+++ b/gtk/gtkoverlay.c
@@ -93,17 +93,12 @@ gtk_overlay_compute_child_allocation (GtkOverlay      *overlay,
                                       GtkOverlayChild *child,
                                       GtkAllocation   *widget_allocation)
 {
-  GtkAllocation allocation, overlay_allocation;
+  GtkAllocation allocation;
   gboolean result;
 
   g_signal_emit (overlay, signals[GET_CHILD_POSITION],
                  0, child->widget, &allocation, &result);
 
-  gtk_widget_get_allocation (GTK_WIDGET (overlay), &overlay_allocation);
-
-  allocation.x += overlay_allocation.x;
-  allocation.y += overlay_allocation.y;
-
   widget_allocation->x = allocation.x;
   widget_allocation->y = allocation.y;
   widget_allocation->width = allocation.width;