1 files changed, 2 insertions, 0 deletions
diff --git a/diff.h b/diff.h
index 1c05b3a6be..760388fa17 100644
--- a/diff.h
+++ b/diff.h
@@ -164,6 +164,8 @@ struct diff_options {
 	diff_prefix_fn_t output_prefix;
 	int output_prefix_length;
 	void *output_prefix_data;
+
+	int diff_path_counter;
 };
 
 enum color_diff {