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

diff --git a/e2fsprogs/old_e2fsprogs/fsck.c b/e2fsprogs/old_e2fsprogs/fsck.c
index 7b794c3..0ad62ca 100644
--- a/e2fsprogs/old_e2fsprogs/fsck.c
+++ b/e2fsprogs/old_e2fsprogs/fsck.c
@@ -46,7 +46,7 @@
 
 #include "e2fsbb.h"
 
-#include "busybox.h"
+#include "libbb.h"
 
 #ifndef _PATH_MNTTAB
 #define _PATH_MNTTAB    "/etc/fstab"