Re: [PATCH v5 17/23] userdiff.c: remove implicit dependency on the_index

diff --git a/userdiff.h b/userdiff.h
index 2ef0ce5452..dad3fc03c1 100644
--- a/userdiff.h
+++ b/userdiff.h

@@ -21,7 +21,8 @@ struct userdiff_driver {
 
 int userdiff_config(const char *k, const char *v);
 struct userdiff_driver *userdiff_find_by_name(const char *name);
-struct userdiff_driver *userdiff_find_by_path(const char *path);
+struct userdiff_driver *userdiff_find_by_path(struct index_state *istate,
+					      const char *path);
 
 /*
  * Initialize any textconv-related fields in the driver and return it, or NULL