git-p4: correct --prepare-p4-only instructions

diff --git a/builtin/diff.c b/builtin/diff.c
index 0f247d24008a4dc7ba5958e716c13f7582a820f1..4326fa56bfa2021c6518c225eaa3f89b8b852e11 100644 (file)
--- a/builtin/diff.c
+++ b/builtin/diff.c
@@ -4,6 +4,7 @@
  * Copyright (c) 2006 Junio C Hamano
  */
 #include "cache.h"
+#include "lockfile.h"
 #include "color.h"
 #include "commit.h"
 #include "blob.h"