[gtk+/gtk-3-20] stack: Remove some code duplication

[Matthias Clasen <matthiasc src gnome org>]

commit f5b76a1f56eb2096d2762a7148b4969d039b7649
Author: Timm Bäder <mail baedert org>
Date:   Fri Feb 26 21:58:22 2016 +0100

    stack: Remove some code duplication

 gtk/gtkstack.c |    8 ++------
 1 files changed, 2 insertions(+), 6 deletions(-)
---
diff --git a/gtk/gtkstack.c b/gtk/gtkstack.c
index 89ddf58..83c9da4 100644
--- a/gtk/gtkstack.c
+++ b/gtk/gtkstack.c
@@ -2285,13 +2285,9 @@ gtk_stack_allocate (GtkCssGadget        *gadget,
           else if (valign == GTK_ALIGN_CENTER &&
                    child_allocation.height > allocation->height)
             child_allocation.y -= (nat - allocation->height) / 2;
-
-          gtk_widget_size_allocate (priv->visible_child->widget, &child_allocation);
-        }
-      else
-        {
-          gtk_widget_size_allocate (priv->visible_child->widget, &child_allocation);
         }
+
+      gtk_widget_size_allocate (priv->visible_child->widget, &child_allocation);
     }
 
    if (gtk_widget_get_realized (widget))