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

diff --git a/tree-walk.c b/tree-walk.c
index c1f27086a91479b4342dd4ffadc7b7d609142797..77b37f36fa1bc8fae48231d35514b88d51902488 100644 (file)
--- a/tree-walk.c
+++ b/tree-walk.c
@@ -2,6 +2,7 @@
 #include "tree-walk.h"
 #include "unpack-trees.h"
 #include "dir.h"
+#include "object-store.h"
 #include "tree.h"
 #include "pathspec.h"