format-patch: add --interdiff option to embed diff in cover letter

diff --git a/builtin/commit-tree.c b/builtin/commit-tree.c
index ecf42191da10cd2e87360f001d5493e792b9682e..9fbd3529fb17bf46608a3a7617671adcd7036450 100644 (file)
--- a/builtin/commit-tree.c
+++ b/builtin/commit-tree.c
@@ -5,6 +5,7 @@
  */
 #include "cache.h"
 #include "config.h"
+#include "object-store.h"
 #include "commit.h"
 #include "tree.h"
 #include "builtin.h"