hook: add sign-off using "interpret-trailers"

diff --git a/builtin/checkout.c b/builtin/checkout.c
index 1624eed7e7625c18da7ffb58f1b9ae456c3dbd77..9661e1bcba31ffa4f7b8a2fb1a9d2060cb8efda7 100644 (file)
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -1,4 +1,5 @@
 #include "builtin.h"
+#include "config.h"
 #include "lockfile.h"
 #include "parse-options.h"
 #include "refs.h"