[gnome-sudoku] Clear earmarked numbers on pressing 'Clear Board'

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 72033b70ec84313624f2b38ba16c4e2a1fd3ebd5
Author: Parin Porecha <parinporecha gmail com>
Date:   Sun Jun 29 13:08:00 2014 +0200

    Clear earmarked numbers on pressing 'Clear Board'
    
    https://bugzilla.gnome.org/show_bug.cgi?id=732399

 src/sudoku-game.vala |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/sudoku-game.vala b/src/sudoku-game.vala
index 751829d..744ae70 100644
--- a/src/sudoku-game.vala
+++ b/src/sudoku-game.vala
@@ -79,6 +79,7 @@ public class SudokuGame : Object
                 }
             }
         }
+        board.earmarks = new bool[board.rows, board.cols, board.max_val];
     }
 
     public void cell_changed_cb (int row, int col, int old_val, int new_val)