GtkStackSwitcher: center the button child

Set button child halign to GTK_ALIGN_CENTER since I need it to style
the needs-attention class, see:
https://bugzilla.gnome.org/show_bug.cgi?id=707153

diff --git a/gtk/gtkstackswitcher.c b/gtk/gtkstackswitcher.c
index d5b7ef1f8952393d024d1fccdc93844fbd271f6d..418f2fe8ef3b66f561da489123e893eef65007a6 100644 (file)
--- a/gtk/gtkstackswitcher.c
+++ b/gtk/gtkstackswitcher.c
@@ -137,6 +137,7 @@ rebuild_child (GtkWidget   *self,
 
   if (button_child)
     {
+      gtk_widget_set_halign (GTK_WIDGET (button_child), GTK_ALIGN_CENTER);
       gtk_widget_show_all (button_child);
       gtk_container_add (GTK_CONTAINER (self), button_child);
     }