tree-diff: allow diff_tree_sha1 to accept NULL sha1

diff --git a/diff.h b/diff.h
index 760388fa174c7c8370463e2a9788ded6aab685c7..ce123fa06fee6fb6e5e76d6a92ea8284a5bbbcf1 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -332,7 +332,7 @@ extern int diff_flush_patch_id(struct diff_options *, unsigned char *);
 
 extern int diff_result_code(struct diff_options *, int);
 
-extern void diff_no_index(struct rev_info *, int, const char **, int, const char *);
+extern void diff_no_index(struct rev_info *, int, const char **, const char *);
 
 extern int index_differs_from(const char *def, int diff_flags);