Fix nearly all residual 'variable set but not used' warnings reported from GCC 4.6.0.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29810 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 4 insertions, 0 deletions

diff --git a/apps/plugins/vu_meter.c b/apps/plugins/vu_meter.c
index 8877d7f460..5266214723 100644
--- a/apps/plugins/vu_meter.c
+++ b/apps/plugins/vu_meter.c
@@ -781,7 +781,9 @@ void digital_meter(void) {
 
 enum plugin_status plugin_start(const void* parameter) {
     int button;
+#if defined(VUMETER_HELP_PRE) || defined(VUMETER_MENU_PRE)
     int lastbutton = BUTTON_NONE;
+#endif
 
     (void) parameter;
 
@@ -859,7 +861,9 @@ enum plugin_status plugin_start(const void* parameter) {
                     return PLUGIN_USB_CONNECTED;
                 break;
         }
+#if defined(VUMETER_HELP_PRE) || defined(VUMETER_MENU_PRE)
         if (button != BUTTON_NONE)
             lastbutton = button;
+#endif
     }
 }