1 files changed, 1 insertions, 0 deletions
diff --git a/diff.h b/diff.h
index ac7b21c46b..101b2b505d 100644
--- a/diff.h
+++ b/diff.h
@@ -46,6 +46,7 @@ struct diff_options {
 	const char *filter;
 	const char *orderfile;
 	const char *pickaxe;
+	const char *single_follow;
 	unsigned recursive:1,
 		 tree_in_recursive:1,
 		 binary:1,