state.num_parent = num_parent;
state.n = n;
- if (xdi_diff_outf(&parent_file, result_file, consume_line, &state,
- &xpp, &xecfg))
+ if (xdi_diff_outf(&parent_file, result_file, NULL, consume_line,
+ &state, &xpp, &xecfg))
die("unable to generate combined diff for %s",
oid_to_hex(parent));
free(parent_file.ptr);