1 files changed, 2 insertions, 0 deletions
diff --git a/diff.h b/diff.h
index 49e4aaafb2..219a28aa0f 100644
--- a/diff.h
+++ b/diff.h
@@ -115,6 +115,8 @@ struct diff_options {
 	const char *pickaxe;
 	const char *single_follow;
 	const char *a_prefix, *b_prefix;
+	const char *line_prefix;
+	size_t line_prefix_length;
 	unsigned flags;
 	unsigned touched_flags;