--- a/thermferm/lcd-buffer.h	Sun Aug 10 12:09:07 2014 +0200
+++ b/thermferm/lcd-buffer.h	Sun Aug 10 13:26:35 2014 +0200
@@ -9,7 +9,7 @@
 
 
 void lcd_buf_write(int, const char *, ...);
-void lcd_buf_step(void);
+void lcd_buf_step(int);
 void lcd_buf_show(void);
 
 #endif