[gnome-sudoku/gnome-3-8] Use correct name for always-show-hints GSettings key

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 41e68cd6ee3e3253ef7b49bbd8104128e29e5356
Author: Michael Biebl <biebl debian org>
Date:   Tue Sep 3 12:12:31 2013 +0200

    Use correct name for always-show-hints GSettings key
    
    When gnome-sudoku was converted from GConf to GSettings all keys were
    updated to use '-' instead of '_' but the code wasn't updated
    accordingly everywhere.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=707362

 src/lib/main.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/lib/main.py b/src/lib/main.py
index 260d158..03a089d 100644
--- a/src/lib/main.py
+++ b/src/lib/main.py
@@ -531,11 +531,11 @@ class UI:
         '''
         self.cleared_notes.append((self.tinfo.current_tracker, self.gsd.clear_notes(side)))
         # Turn off auto-hint if the player clears the bottom notes
-        if side == 'Bottom' and self.settings.get_boolean('always_show_hints'):
+        if side == 'Bottom' and self.settings.get_boolean('always-show-hints'):
             always_show_hint_wdgt = self.main_actions.get_action('AlwaysShowPossible')
             always_show_hint_wdgt.activate()
         # Update the hints...in case we're redoing a clear of them
-        if self.settings.get_boolean ('always_show_hints'):
+        if self.settings.get_boolean ('always-show-hints'):
             self.gsd.update_all_hints()
 
     def undo_clear_notes(self):