checkout: require worktree unconditionally

diff --git a/rerere.c b/rerere.c
index 20b18add42d2551a227eaac8125fe806006d2856..1b0555f1a5a0233e931b13a088c052a56aef3977 100644 (file)
--- a/rerere.c
+++ b/rerere.c
@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "lockfile.h"
 #include "string-list.h"
 #include "rerere.h"
 #include "xdiff-interface.h"