the reboot func is used elsewhere, so don't mark it inline

Code:
--- a/lib.c
+++ b/lib.c
@@ -33,7 +33,7 @@ struct ascii_map_str {
         int keycode;
 };
 
-inline void reboot(void)
+void reboot(void)
 {
 	
 	/* tell the BIOS to do a cold start */