[gnome-sudoku] Code style: add a few missing spaces

[Michael Catanzaro <mcatanzaro src gnome org>]

commit fe292b3c7d2c73e07f260eb118cb938460971bed
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Wed Jul 10 17:24:15 2019 -0500

    Code style: add a few missing spaces

 lib/sudoku-game.vala | 8 ++++----
 src/sudoku-view.vala | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/lib/sudoku-game.vala b/lib/sudoku-game.vala
index 0583de9..32fc2c4 100644
--- a/lib/sudoku-game.vala
+++ b/lib/sudoku-game.vala
@@ -77,7 +77,7 @@ public class SudokuGame : Object
     public void enable_earmark (int row, int col, int k_no)
     {
         var old_val = board[row, col];
-        var old_earmarks = board.get_earmarks(row, col);
+        var old_earmarks = board.get_earmarks (row, col);
         update_undo (row, col, old_val, old_earmarks);
 
         board.enable_earmark (row, col, k_no);
@@ -86,7 +86,7 @@ public class SudokuGame : Object
     public void disable_earmark (int row, int col, int k_no)
     {
         var old_val = board[row, col];
-        var old_earmarks = board.get_earmarks(row, col);
+        var old_earmarks = board.get_earmarks (row, col);
         update_undo (row, col, old_val, old_earmarks);
 
         board.disable_earmark (row, col, k_no);
@@ -95,7 +95,7 @@ public class SudokuGame : Object
     public void insert (int row, int col, int val)
     {
         var old_val = board[row, col];
-        var old_earmarks = board.get_earmarks(row, col);
+        var old_earmarks = board.get_earmarks (row, col);
         update_undo (row, col, old_val, old_earmarks);
 
         if (mode == GameMode.CREATE)
@@ -112,7 +112,7 @@ public class SudokuGame : Object
     public void remove (int row, int col)
     {
         var old_val = board[row, col];
-        var old_earmarks = board.get_earmarks(row, col);
+        var old_earmarks = board.get_earmarks (row, col);
         update_undo (row, col, old_val, old_earmarks);
 
         if (mode == GameMode.CREATE)
diff --git a/src/sudoku-view.vala b/src/sudoku-view.vala
index 44e30b9..93c6cbc 100644
--- a/src/sudoku-view.vala
+++ b/src/sudoku-view.vala
@@ -284,7 +284,7 @@ private class SudokuCellView : Gtk.DrawingArea
             k_no = key_map_keypad (k_name);
         if (k_no >= 1 && k_no <= 9)
         {
-            bool want_earmark = (earmark_picker != null && earmark_picker.is_visible())
+            bool want_earmark = (earmark_picker != null && earmark_picker.is_visible ())
                 || (event.state & ModifierType.CONTROL_MASK) > 0;
             if (want_earmark && game.mode == GameMode.PLAY)
             {