[four-in-a-row] Fix the size of the undo/hint/new-game buttons

[Michael Catanzaro <mcatanzaro src gnome org>]

commit a016029007470ef70612ec0b6168cf0235459a07
Author: Yosef Or Boczko <yoseforb src gnome org>
Date:   Fri Jan 31 09:03:58 2014 +0200

    Fix the size of the undo/hint/new-game buttons
    
    https://bugzilla.gnome.org/show_bug.cgi?id=723346

 src/main.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/src/main.c b/src/main.c
index 59f9502..feeda05 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1234,12 +1234,16 @@ create_app (void)
   gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 6);
 
   undo_button = gtk_button_new ();
+  gtk_widget_set_valign (undo_button, GTK_ALIGN_CENTER);
+  gtk_widget_set_halign (undo_button, GTK_ALIGN_CENTER);
   gtk_button_set_image (GTK_BUTTON (undo_button), image);
   gtk_button_set_relief (GTK_BUTTON (undo_button), GTK_RELIEF_NONE);
   gtk_actionable_set_action_name (GTK_ACTIONABLE (undo_button), "app.undo-move");
   gtk_box_pack_start (GTK_BOX (vbox), undo_button, FALSE, FALSE, 0);
 
   hint_button = gtk_button_new ();
+  gtk_widget_set_valign (hint_button, GTK_ALIGN_CENTER);
+  gtk_widget_set_halign (hint_button, GTK_ALIGN_CENTER);
   image = gtk_image_new_from_icon_name ("dialog-question-symbolic", GTK_ICON_SIZE_DIALOG);
   gtk_button_set_image (GTK_BUTTON (hint_button), image);
   gtk_button_set_relief (GTK_BUTTON (hint_button), GTK_RELIEF_NONE);
@@ -1247,6 +1251,8 @@ create_app (void)
   gtk_box_pack_start (GTK_BOX (vbox), hint_button, FALSE, FALSE, 0);
 
   new_game_button = gtk_button_new ();
+  gtk_widget_set_valign (new_game_button, GTK_ALIGN_CENTER);
+  gtk_widget_set_halign (new_game_button, GTK_ALIGN_CENTER);
   image = gtk_image_new_from_icon_name ("view-refresh-symbolic", GTK_ICON_SIZE_DIALOG);
   gtk_button_set_image (GTK_BUTTON (new_game_button), image);
   gtk_button_set_relief (GTK_BUTTON (new_game_button), GTK_RELIEF_NONE);