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

diff --git a/coreutils/touch.c b/coreutils/touch.c
index 5f81b23..7b82339 100644
--- a/coreutils/touch.c
+++ b/coreutils/touch.c
@@ -17,7 +17,7 @@
  * Also, exiting on a failure was a bug.  All args should be processed.
  */
 
-#include "busybox.h"
+#include "libbb.h"
 
 /* This is a NOFORK applet. Be very careful! */