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

diff --git a/networking/traceroute.c b/networking/traceroute.c
index b4cca25..ce8dc83 100644
--- a/networking/traceroute.c
+++ b/networking/traceroute.c
@@ -215,7 +215,7 @@
 #include <netinet/ip.h>
 #include <netinet/ip_icmp.h>
 
-#include "busybox.h"
+#include "libbb.h"
 #include "inet_common.h"