[gcompris] hanoi activity, minor fix, level 3 was also level 4

[Bruno Coudoin <bcoudoin src gnome org>]

commit b37bce405333d4333265b774de33f59fe7f5bb72
Author: Bruno Coudoin <bcoudoin gcompris net>
Date:   Fri Oct 4 18:01:26 2013 +0200

    hanoi activity, minor fix, level 3 was also level 4

 src/hanoi-activity/hanoi.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/hanoi-activity/hanoi.c b/src/hanoi-activity/hanoi.c
index 19e6286..12a1c24 100644
--- a/src/hanoi-activity/hanoi.c
+++ b/src/hanoi-activity/hanoi.c
@@ -247,6 +247,7 @@ static void hanoi_next_level()
     case 3:
       number_of_item_x = 5;
       number_of_item_y = 6;
+      break;
     case 4:
       number_of_item_x = 6;
       number_of_item_y = 7;