[gnome-sudoku/arnaudb/wip/gtk4: 32/47] Fix PrintDialog.

[Arnaud B. <arnaudb src gnome org>]

commit c9d26931dfd15c8f082d30b1efedb04abaa4b1c8
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 5e521a8..2c4a05d 100644
--- a/src/print-dialog.vala
+++ b/src/print-dialog.vala
@@ -68,11 +68,20 @@ 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 ();