usage.c: remove reference to busybox.h
*: s/include "busybox.h"/include "libbb.h"

diff --git a/selinux/selinuxenabled.c b/selinux/selinuxenabled.c
index c93ba70..8a9c7cd 100644
--- a/selinux/selinuxenabled.c
+++ b/selinux/selinuxenabled.c
@@ -5,7 +5,7 @@
  * Port to BusyBox  Hiroshi Shinji <shiroshi@my.email.ne.jp>
  *
  */
-#include "busybox.h"
+#include "libbb.h"
 
 int selinuxenabled_main(int argc, char **argv);
 int selinuxenabled_main(int argc, char **argv)