add a periodic_poll function to check buttons (and gpib in future)

1 files changed, 1 insertions, 1 deletions

diff --git a/menus.h b/menus.h
index 2f95240..efc2233 100644
--- a/menus.h
+++ b/menus.h
@@ -3,4 +3,4 @@
 void Menu_Refresh();
 void Menu_Update_Display(void);
 void Menu_Clear_Buttons(void);
-GSourceFunc Menu_Check_Buttons(void);
+void Menu_Check_Buttons(void);