Fix a bunch of 'variable set but not used' warnings reported from GCC 4.6.0.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29841 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 4 insertions, 0 deletions

diff --git a/apps/plugins/sudoku/sudoku.c b/apps/plugins/sudoku/sudoku.c
index 81c00803f8..f0bff4d2a4 100644
--- a/apps/plugins/sudoku/sudoku.c
+++ b/apps/plugins/sudoku/sudoku.c
@@ -1029,7 +1029,9 @@ enum plugin_status plugin_start(const void* parameter)
 {
     bool exit;
     int button;
+#if defined(SUDOKU_BUTTON_TOGGLE_PRE) || defined(SUDOKU_BUTTON_MENU_PRE)
     int lastbutton = BUTTON_NONE;
+#endif
     int res;
     int rc = PLUGIN_OK;
     long ticks;
@@ -1289,8 +1291,10 @@ enum plugin_status plugin_start(const void* parameter)
                 }
                 break;
         }
+#if defined(SUDOKU_BUTTON_TOGGLE_PRE) || defined(SUDOKU_BUTTON_MENU_PRE)
         if (button != BUTTON_NONE)
             lastbutton = button;
+#endif
 
         display_board(&state);
     }