[four-in-a-row] Disable hint button after it is used

[Michael Catanzaro <mcatanzaro src gnome org>]

commit d679065461f47bdf610629833a202ff6951ff00e
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Thu Jan 30 21:07:50 2014 -0600

    Disable hint button after it is used
    
    You can only get one hint per turn, so no sense in letting the player
    press the button multiple times.

 src/main.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/src/main.c b/src/main.c
index 25ad0fe..a37cf9a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -650,7 +650,6 @@ on_game_hint (GSimpleAction *action, GVariant *parameter, gpointer data)
   set_status_message (s);
   g_free (s);
 
-  g_simple_action_set_enabled (G_SIMPLE_ACTION (hint_action), TRUE);
   g_simple_action_set_enabled (G_SIMPLE_ACTION (undo_action), (moves > 0));
 }