[gnome-sudoku/arnaudb/wip/gtk4: 28/43] Fix PrintDialog.

[Arnaud B. <arnaudb src gnome org>]

commit 8053efeb4d91f4926bec57eb066e619d0b4e9ff6
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Mon Apr 13 16:00:51 2020 +0200

    Fix PrintDialog.

 src/print-dialog.vala | 9 +++++++++
 1 file changed, 9 insertions(+)
---
diff --git a/src/print-dialog.vala b/src/print-dialog.vala
index 4766b4d..0314ecd 100644
--- a/src/print-dialog.vala
+++ b/src/print-dialog.vala
@@ -66,11 +66,20 @@ public class PrintDialog : Dialog
         if (saved_difficulty == DifficultyCategory.EASY)
             easy_radio_button.set_active (true);
         else if (saved_difficulty == DifficultyCategory.MEDIUM)
+        {
             medium_radio_button.set_active (true);
+            easy_radio_button.set_active (false);
+        }
         else if (saved_difficulty == DifficultyCategory.HARD)
+        {
             hard_radio_button.set_active (true);
+            easy_radio_button.set_active (false);
+        }
         else if (saved_difficulty == DifficultyCategory.VERY_HARD)
+        {
             very_hard_radio_button.set_active (true);
+            easy_radio_button.set_active (false);
+        }
         else
             assert_not_reached ();