[gnome-sudoku] Clear unfillable squares warnings on pressing Clear Board

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 677af821451dadfaa6c9531227ec0ea29e25030b
Author: Parin Porecha <parinporecha gmail com>
Date:   Fri Jun 27 20:34:34 2014 +0200

    Clear unfillable squares warnings on pressing Clear Board
    
    https://bugzilla.gnome.org/show_bug.cgi?id=732291

 src/sudoku-game.vala |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/sudoku-game.vala b/src/sudoku-game.vala
index ea7e6f3..751829d 100644
--- a/src/sudoku-game.vala
+++ b/src/sudoku-game.vala
@@ -73,7 +73,10 @@ public class SudokuGame : Object
             for (var l2 = 0; l2 < board.cols; l2++)
             {
                 if (!board.is_fixed[l1, l2])
+                {
                     board.remove (l1, l2);
+                    cell_changed (l1, l2, board.get (l1, l2), 0);
+                }
             }
         }
     }