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

diff --git a/networking/netstat.c b/networking/netstat.c
index 5fb5c38..38091ae 100644
--- a/networking/netstat.c
+++ b/networking/netstat.c
@@ -11,7 +11,7 @@
  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
 
-#include "busybox.h"
+#include "libbb.h"
 #include "inet_common.h"
 
 enum {